Photos of the week

The most compelling images from the week's news, February 26-March 4, 2016.

Here, the sun sets behind the Statue of Liberty in New York's Harbor as seen from the Brooklyn borough of New York City, February 27, 2016.

By CBSNews.com Senior Photo Editor Radhika Chalasani

Pyongyang - American student detained

Otto Frederick Warmbier (R), a University of Virginia student who has been detained in North Korea since early January, bows during a news conference in Pyongyang, North Korea, February 29, 2016.

Warmbier was detained for trying to steal a propaganda banner from his Pyongyang hotel and confessed to "severe crimes" against the state, according to the the North Korea's official media. Warmbier, 21, was detained before boarding his flight to China over the incident.

Erin Andrews

Sportscaster and television host Erin Andrews testifies March 1, 2016, in Nashville, Tenn. Andrews has filed a $75 million lawsuit against the franchise owner and manager of the Nashville Marriott hotel and a man who admitted to making secret nude recordings of her in 2008.

Photographer & secret service

Time magazine photojournalist Chris Morris is escorted by police after a violent confrontation with a member of the Secret Service during a rally for Republican presidential candidate, Donald Trump, February 29, 2016, at Radford University in Radford, Virginia. Morris was choked and slammed to the ground when he attempted to leave a press pen to photograph Black Lives protesters being escorted out of the rally.

Quito - Tungurahua volcano

View of Tungurahua volcano spewing ashes on February 27, 2016 in Cahuaji, Chimborazo, 130km (81 miles) south from Quito.

Ecuadorean authorities raised the alert level from yellow to orange, after an increase of the Tungurahua volcano activity, which spewed a column of ash five kilometers (three miles) high.

Medal of Honor

President Barack Obama places the Medal of Honor on U.S. Navy Senior Chief Special Warfare Operator Edward Byers during a ceremony at the White House in Washington, February 29, 2016.

Byers was honored for his courageous actions while serving as part of a SEAL Team 6 operation that rescued an American doctor, Dilip Joseph, being held hostage in Afghanistan on December 8-9, 2012. Byers was credited with saving the lives of several fellow SEALs and threw himself on Joseph to protect him from heavy gunfire.

Turkey - Syrian smugglers sentenced

Turkish paramilitary police officers escort Syrian smugglers Muwafaka Alabash, front, and Asem Alfrhad, rear. for their trial in Bodrum, Turkey, March 4, 2016.

A Turkish court on Friday sentenced the two Syrian smugglers to four years and two months each in prison over the death of 3-year-old Syrian boy Aylan Kurdi and four other people, the state-run Anadolu Agency reported. The image of the boy's lifeless body lying face down on a Turkish beach galvanized world attention on the refugee crisis, graphically illustrating the magnitude of the migrants' suffering.

Manila - Crocodile feeding

A worker feeds a crocodile named "Shaquille" at an enclosure at the Malabon Zoo in Manila on March 3, 2016, as the world celebrated World Wildlife Day.

The day began in Florence, Italy, in 1931 at a convention of ecologists, whose intention was to highlight the plight of endangered species and October 4 was chosen because it is the feast day of nature lover Francis of Assisi, the patron saint of animals and the environment.

Lady Gaga performs at Oscars

Lady Gaga holds hands with sexual assault survivors after singing her Oscar-nominated song "Til It Happens to You" in an emotional moment at the 88th Academy Awards in Hollywood, February 28, 2016.

Belarus - Maslenitsa celebrations

Servicemen of the Belarussian Interior Ministry's special forces unit take part in a presentation during Maslenitsa celebrations at their base in Minsk, Belarus, February 28, 2016.

Maslenitsa is a pagan holiday marking the end of winter celebrated with pancake eating and shows of strength.

London - Political urinals

Cardboard cut outs of the faces of three candidates for the Republican nomination for the 2016 U.S. presidential election (L-R) Ted Cruz, Donald Trump and Marco Rubio, are seen set up on urinals in a pub in London on March 1, 2016 as part of an informal poll for customers to log which they dislike the most.

Part of the satirical television show The Last Leg, customers at the pub are able to choose which urinal to use and then log their poll on a list on the wall afterwards.

L.A. - Sacha Baron Cohen

Cast member Sacha Baron Cohen poses with fans at the premiere of 'The Brothers Grimsby' in Los Angeles, March 3, 2016.

Virginia - Police officer killed

Prince William County Police Sgt. Jonathan L. Perok displays a picture of Officer Ashley Guindon before a news conference at Western District Station, in Manassas, Virginia, Feb. 28, 2016.

Ronald Williams Hamilton is being held without bond in the Prince William County Adult Detention Center on charges that include murder of a law enforcement officer. He is accused of shooting and killing Guindon after she and other officers answered a domestic violence call at the Hamilton home Feb. 27.

Seoul - Presidential speech

South Korean President Park Geun-hye is seen on small screens fitted in seats as she delivers her speech during a ceremony celebrating the 97th anniversary of the Independence Movement Day in Seoul, March 1, 2016.

Siberia - Skiers light up

Spectators (bottom) watch hundreds of skiers descend from a slope while holding lit torches in the town of Zheleznogorsk, northeast of Krasnoyarsk, Siberia, Russia, February 27, 2016.

Local residents organized the annual winter torch festival to promote sports and healthy lifestyle, according to the organizers. (Photo taken with long exposure)

Hollywood - Oscars

Best Supporting Actor Mark Rylance for "Bridge of Spies," Best Actress Brie Larson for "Room", Best Actor Leonardo DiCaprio for "The Revenant" and Best Supporting Actress Alicia Vikander for "The Danish Girl" enjoy a moment backstage during the 88th Academy Awards in Hollywood, February 28, 2016.

Abortion case at Supreme Court

Protesters demonstrate in front of the U.S. Supreme Court in the morning as the court takes up a major abortion case focusing on whether a Texas law that imposes strict regulations on abortion doctors and clinic buildings interferes with the constitutional right of a woman to end her pregnancy, in Washington, D.C., March 2, 2016.

Russia - Winter sunbathing

Women enjoy sunbathing at the wall of the Peter and Paul fortress in St. Petersburg on March 1, 2016.

Tehran portrait

Iran's former president Ali Akbar Hashemi Rafsanjani (C), Iranian former vice president Mohammad Reza Aref (centre, L) and a group of reformists pose for a photo in Tehran, February 22, 2016.

Hillary Clinton - Super Tuesday

Presidential candidate Hillary Clinton arrives at her Super Tuesday primary night party in Miami, March 1, 2016. After the votes were counted, Clinton took a commanding lead in her party's race over rival Bernie Sanders.

Scott Kelly returns to Earth

Ground personnel carry International Space Station crew member Scott Kelly after his landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016.

Kelly and Russian cosmonaut Mikhail Kornienko returned to Earth on March 2 after spending almost a year in space in a ground-breaking experiment. Russian astronaut Sergey Volkov, who spent a shorter period of time on the ISS, returned with Kelly and Kornienko.

South Korea - New military recruits

South Korean President Park Geun-Hye cheers with new military officers during a military commissioning ceremony at Gyeryongdae, South Korea's main military compound on March 4, 2016 in Gyeryong, South Korea.

A total of 6,003 graduates from the country's six major military academies were commissioned at the ceremony.

Fukushima

Norio Kimura, 50, who lost his father, wife and daughter in the March 11, 2011 tsunami, changes flowers for his family at a stone statue of Jizo and a monument he made for them on the hill behind his home inside the exclusion zone in Okuma, near Tokyo Electric Power Co's (TEPCO) tsunami-crippled Fukushima Daiichi nuclear power plant, Fukushima Prefecture, Japan, February 13, 2016.

Survivors exposed themselves to high levels of radiation five years ago while searching for family members swept away by the tsunami that triggered meltdowns at Japan's Fukushima nuclear plant. The disaster in killed nearly 16,000 people along Japan's northeastern coast and left more than 2,500 missing. Family members continue to look for the bodies of their missing loved ones, when access to the area is permitted, hoping for closure.

Spain - Vapor trail

An airplane leaves a vapor trail as it flies past a cloud during dusk as seen from Paracuellos del Jarama, Spain, March 3, 2016.

Christie & Trump

Republican presidential candidate Donald Trump, with former rival New Jersey Gov. Chris Christie at his side, speaks about the results of Super Tuesday primary and caucus voting during a news conference in Palm Beach, Florida, March 1, 2016. Trump took a commanding lead in the Republican race.

Social media had a field day with comments about Christie, who endorsed Trump after quitting the race, looking like a hostage.

Rupert Murdoch & Jerry Hall

Media mogul Rupert Murdoch, 84, and former model Jerry Hall, 59, pose after getting married, following a whirlwind four-month relationship, at Spencer House in London, March 4, 2016. It is Murdoch's fourth marriage. Hall had a 23-year relationship with Rolling Stones' Mick Jagger, but the two never married.

Havana - Longest ash

Competitors from China smoke as they compete for the longest ash during the XVIII Habanos Festival in Havana, March 3, 2016.

Turkey - Heavy fighting

A woman reacts while walking among the ruins of damaged buildings following heavy fighting between government troops and Kurdish fighters, on March 2, 2016 in the southeastern Turkey Kurdish town of Cizre, near the border with Syria and Iraq.

Thousands in Turkey's Kurdish-majority town of Cizre started returning to their homes after authorities partially lifted a curfew in place since December for a controversial military operation to root out separatist rebels.

Syria - Free Syrian Army flag

Activists carry a Free Syrian Army flag during a protest against forces loyal to Syria's president Bashar al-Assad in the rebel-controlled area of Jobar, a suburb of Damascus, Syria on March 3, 2016.

Mgadishu - Woulnded

United Nations medical staff members help wounded civilians at Mogadishu airport on February 29, 2016 after at least 30 people were killed in twin bomb attacks claimed by Shebab Islamists at a busy restaurant in the Somali city of Baidoa.

The explosions shredded the roofs of nearby buildings, tore chunks out of vehicles and left bodies, plastic chairs and tables strewn across the road.

India - Studying by lamplight

An Indian girl (C) studies by candle light in a slum area without electric power in Phillaur, around 50 km (31 miles) from Jalandhar on February 29, 2016.

Raleigh - Police shooting

Rolonda Byrd, who says she is the mother of shooting victim Akiel Denkins, cries during a news conference near the scene of the shooting in Raleigh, North Carolina, March 1, 2016.

Authorities say that a police officer fatally shot the man while trying to make an arrest for a felony drug charge.

Arabian Oryx Sanctuary

A sand gazelle is seen at the Arabian Oryx Sanctuary in Umm Al-Zamool, some 290 kilometers (180 miles) south of Abu Dhabi near the border with Oman and Saudi Arabia on March 1, 2016.

The sanctuary, which is a reserve for many different animals, stretches over an estimated area of 8,900 square kilometers (5,530 miles) and currently hosts nearly 155 Arabian Oryx, which were reintroduced into its natural habitat in the UAE in a five-year conservation plan launched by UAE's late ruler Sheikh Zayed bin Sultan Al Nahyan, after fears of their extinction.

Calais - Jungle migrant camp

Men watch as a makeshift shelter burns in the so-called Jungle migrant camp in the French port city of Calais on March 3, 2016, during the ongoing demolition of the camp's southern half.

Demolition workers razed makeshift shelters at the camp for a fourth day running, under the close watch of dozens of police officers equipped with water cannon.

Paris - Hollande & Merkel

French President Francois Hollande (L) welcomes German Chancellor Angela Merkel upon her arrival at the Elysee Presidential Palace in Paris on March 4, 2016.

Kashmir - Funeral

Kashmiri women villagers wail as they watch the body of Asif Ahmad, a suspected rebel, during his funeral procession in Dadsar village, 40 kilometers (25 miles) south of Srinagar, Indian controlled Kashmir, March 3, 2016.

Three Kashmiri rebels were killed in a gun battle with government forces as they tried to break through a security cordon in the disputed Himalayan region of Kashmir, according to the army.