NATO's International Security Assistance Force said there were casualties from the first bombing, but would not confirm a statement by Interior Ministry spokesman Yousuf Stanizai that a German soldier was killed in the explosion.
The Associated Press quotes a police commander as saying the first blast occurred in east Kabul on a main road frequented by vehicles belonging to NATO's International Security Assistance Force and the U.S.-led coalition.
There is no word yet of casualties from the second bombing.
Some 12,000 International Security Assistance Force soldiers are providing security to Afghanistan's capital and its surroundings.
(with material from AP/Reuters)
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