About 150 Taliban stormed a district in western Afghanistan, taking control of the headquarters for about an hour before being repelled in a battle in which two insurgents were killed, police said on Thursday. It was the third major attack in the province in three days. "Two Taliban were killed, four wounded and two policemen were also wounded in the three hours of exchange of fire," he said.A police convoy was attacked in Farah province on Wednesday and four policemen and four Taliban were killed in the fighting. In another attack, four rockets were fired near Qalat, the capital of troubled Zabul province, but caused no damage or casualties.