US troops will now have to stand in until an agreement has been reached.
US troops are forced to withdraw after seven years of war.
US troops pulled back to the outskirts of the city.
US troops reported at the time that the explosives were missing.
US troops moved into an area in which the new international boundary was disputed.
US troops had been present since an invasion the previous June.
Others groups of US troops escaped in the same manner.
Afghan police also opened fire, when they came to the assistance of the US troops.
During the same period 700 U.S. troops were killed in action.
U.S. troops represented about 74% of the combined force, and the global cost was therefore higher.
