Two Americans among 21 killed as Taliban targets popular Kabul restaurant --- KABUL, Afghanistan – The Taliban claimed responsibility for an attack on a popular Lebanese restaurant in Kabul on Friday that killed at least 21 people, including two Americans and 11 other foreigners. -- The U.S. Embassy in Kabul confirmed early Saturday that Americans were among the dead. -- International Monetary Fund chief Christine Lagarde said in a statement that Wabel Abdallah, 60, the fund’s resident representative in Afghanistan, was also killed. -- A United Nations spokesperson said three U.N. employees were killed in the attack, "along with a number of those from other international organizations." -- Sediq Seddiqi, the spokesman for Afghanistan's Ministry of Interior, told NBC News on Saturday that the death toll included 13 foreigners and eight Afghans. The foreigners include Germans, Canadians, Russians and Lebanese. He said they included diplomats, but he would not give any further details. --- Security remains a major concern as Afghanistan and the United States struggle to agree on a key bilateral security pact, raising the prospect that Washington may yet pull out all of its troops this year unless differences are ironed out. - More, NBC News, at: http://worldnews.nbcnews.com/_news/2014/01/17/22339850-two-americans-among-21-killed-as-taliban-targets-popular-kabul-restaurant?lite