SARI PUL, Afghanistan, April 15 (Xinhua) -- Taliban militants' attack on pro-government militias have claimed 11 lives and injured two others in Afghanistan's northern Sari Pul province, provincial government spokesman Zabihullah Amani said Sunday.

According to the official, a group of Taliban insurgents stormed the checkpoints of pro-government militia in Tabir area of Takzar district early Sunday killing 11 persons and injuring two others.

The militants also suffered casualties during the firefight, the official said, adding the security forces are chasing the militants.

Taliban militants who have intensified activities over the past couple of months are yet to make comment.