Day in pictures

An opposition supporter attends an anti-nuclear protest in Minsk, Belarus, Tuesday, April 26, 2011. On Tuesday, Ukraine marks the 25th anniversary of the Chernobyl nuclear disaster, which spread radiation over much of northern Europe.

People walk on a road in Vilonia, Ark., Tuesday, April 26, 2011, after a tornado hit the area late Monday. The storm system killed at least seven people, including three who drowned in floods in northwest Arkansas.

South Koreans eat lunch behind a balloon on which North Korean leader Kim Jong Il's face is painted as anti-North Korean protesters and North Korean defectors hold a rally in Seoul, South Korea, Tuesday, April 26, 2011, demanding the improvement of human-rights situation in North Korea. They insisted that the South Korean parliament should pass the law to help protect North Korean people's human rights.

An anti-government protestor reacts during a demonstration demanding the resignation of Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Tuesday, April 26, 2011. Forces loyal to Yemen's embattled president opened fire on protesters demanding his ouster Monday, killing two and wounding dozens at various protests, activists said.

Indian Prime Minister Manmohan Singh, second right, arrives to pay his last respects to Hindu holy man Sathya Sai Baba during a public viewing at the Prasanthi Nilayam Ashram in Puttaparti, India, on the eve of his funeral Tuesday, April 26, 2011. The 84-year-old guru's Sunday death triggered an outpouring of grief from followers who included Indian politicians, movie stars, athletes and industrialists.

Farmers, mostly from Fukushima Prefecture where the tsunami crippled Fukushima Dai-ichi plant is located, hold up cabbages during a protest in front of the Tokyo Electric Power Co. (TEPCO) headquarters in Tokyo, Tuesday, April 26, 2011. More than 200 farmers affected by radiation spewing from the nuclear plant staged a demonstration to demand that TEPCO pay them adequate compensation for loss of income caused by having to leave their farms, or for having produced withdrawn from the market due to contamination fears.

A volunteer village guard holds a gun behind a bunker at a school in Surin province, northeastern Thailand, Tuesday, April 26, 2011. Officials said Tuesday the worst fighting between Thai and Cambodian forces in years has spread, with both sides exchanging artillery and rifle-fire near another temple in a disputed zone along the border.

Recaptured Afghan prisoners walk in leg chains in jail in Kandahar, Afghanistan, Tuesday, April 26, 2011. The massive security breach that allowed the Taliban to spirit more than 480 Afghan inmates out of southern Afghanistan's largest prison must have involved inside collaborators, the Justice Ministry said Tuesday, as security forces worked to recapture the escaped convicts. Prison officials discovered early Monday morning that the inmates - nearly all of them Taliban militants - were missing from their cells, and then found in the tunnel through which they appeared to have made their getaway.

Children take part in a "street" party to mark the royal wedding in a covered courtyard, in the town of Buckingham, England, Tuesday, April 26, 2011. Britain's Prince William will marry Kate Middleton on April 29.

A highway ramp is partially flooded in Chia, on the northern outskirts of Bogota, Colombia, Tuesday, April 26, 2011. According to Colombia's Red Cross officials, more than 90 people have died due to flooding and landslides caused by heavy rains since January.