4 U.N. personnel among foreigners killed in suicide bombing at Kabul restaurant

A suicide bomber blew himself up outside a Kabul restaurant filled with foreigners and affluent Afghans, while two gunmen sneaked in through the back door and opened fire Friday in a brazen dinnertime attack that killed at least 14 people, officials said.

The U.N. chief condemned the attack "in the strongest terms," saying "such targeted attacks against civilians are completely unacceptable and are in flagrant breach of international humanitarian law," U.N. deputy spokesman Farhan Haq said.

Ban said the U.N. personnel, who were not identified, were among at least 14 foreigners and Afghans killed, including a number of people from other international organizations. Kabul police say 16 people were killed.

Ban demanded an immediate end to the attacks.

Security officials, speaking on condition of anonymity because they were not authorized to release the information, said the assault began with the suicide bomber detonating his explosives at the front door of the restaurant, located in an area housing several embassies, non-governmental organizations and the homes and offices of Afghan officials. As chaos ensued, the two other attackers entered through the kitchen and began shooting. They were later killed by security guards, said Interior Ministry spokesman Sediq Sediqi.

Kabul police chief Gen. Mohammad Zahir Zahir said the 16 people killed were all inside the restaurant. He said foreigners and Afghans were among the dead, but he did not provide a breakdown. Officials said at least four other people were wounded.

The International Monetary Fund's representative in Afghanistan, Wabel Abdallah, was among those killed, IMF chief Christine Lagarde said in a statement. The 60-year-old from Lebanon was appointed to the position in 2008.

In Washington, State Department spokeswoman Jen Psaki said the U.S. condemns "this despicable act of terrorism in the strongest possible terms." She said that information about the attack is still coming in, but all U.S. Embassy personnel are accounted for.

Deputy Afghan Interior Minister Ayoub Salangai said in a tweet that the dead included four women.

The restaurant, like most facilities that are frequented by foreign diplomats, aid workers, journalists and businessmen in the war-weary country, has no signs indicating its location and is heavily secured. It sits on a small side street just off a bumpy semi-paved road in a house with low ceilings and an enclosed patio but no windows.

Bags of dirt are piled up around it to act as blast walls, and guests must go through a series of steel airlocks, where they are searched, before entering. The surrounding area is full of police and security guards to protect against insurgent attacks, which have increased in recent months around the country.

Police at the scene did not allow reporters near the restaurant, located in the diplomatic quarter of the central Wazir Akbar Khan area, as they rushed to help the wounded and ensure there were no more gunmen.

Taliban spokesman Zabihullah Mujahid claimed responsibility for the attack, which he said targeted foreign officials dining at what he described as a "hotel."

"There was a suicide attack on a foreign hotel where special foreign invaders are coming for dinner. In this attack an explosive was used which was very strong and heavy casualties and massive destruction happened," he said.

Zabihullah said the targets of the attack included "high-ranking German officials." In Berlin, the German Foreign Ministry said it was looking into the report. The Taliban frequently provide exaggerated casualty figures.

There have been a number of attacks in Kabul so far this month, including a suicide bicycle bombing of a bus carrying police that killed two people.

The last major attack near a foreign facility, a heavily fortified guest house in Kabul, took place on Oct. 13, when a suicide car bomber killed two passers-by. That facility, knows as Green Village, was also attacked in 2012, killing seven guards and civilians.

Insurgents have frequently targeted foreign interests around the country and in Kabul. The Taliban have increased their attacks in recent months after foreign forces handed over control of security for the country to the Afghan army and police. Foreign forces are scheduled to withdraw from the country altogether by the end of this year.

A security agreement that would keep about 10,000 U.S. troops and about 6,000 from allied nations past 2014 has been stymied by President Hamid Karzai's refusal to sign it until Afghans elect his successor in the April 5 elections. The deal is seen as crucial to train and mentor the nascent Afghan security forces, which now number about 350,000. If the deal falls through, the U.S. has said it will pull all its forces out of Afghanistan.