A Taliban spokesman said the militant group is responsible for the attack and was targeting a convoy of foreigners nearby.
MORE: http://www.cnn.com/2012/01/19/world/asia/afghanistan-violence/index.html?hpt=wo_c2
See also...
Afghanistan investigates NATO bombing
http://www.cnn.com/2012/01/19/world/asia/afghanistan-bombing-investigation/index.html?hpt=ias_c2
