Insurgent attacks across Afghanistan killed at least 18 people Wednesday, including a U.S. soldier, four police and three civilians who died in an attack on a joint NATO-Afghan military base.
Authorities say at least 10 Polish soldiers were wounded in the attack in the eastern province of Ghazni, when about 10 insurgents tried to storm the base after detonating a car bomb at the gate. Poland's defense ministry later said 10 insurgents were killed in an hours-long firefight that followed.
The Taliban claimed responsibility.
Earlier Wednesday, a suicide car bomber attacked a coalition convoy in Lashkar Gah, the capital of southern Helmand province. The blast killed four civilians and wounded 15 others. There has been no claim of responsibility for that attack.
Separately, authorities say six Afghan drivers were killed and 10 others wounded in western Farah province, when rocket fire hit fuel trucks supplying coalition forces. The inferno destroyed 40 trucks. The Taliban also claimed responsibility for that attack.