bomber blew himself up next to a convoy..Kabul

U.S. soldiers, right, are seen at the site of a suicide attack in Kabul, Afghanistan on Tuesday, Nov. 27, 2007. A suicide bomber blew himself up next to a convoy of armored vehicles used by foreigners in Kabul, in a huge explosion Tuesday that killed at least two civilians and left the wall of a nearby house in ruins, witnesses and officials said.