**Afghan forces have clashed with Taliban fighters who are attacking a government building in the eastern town of Gardez, officials and residents say.**The militants are wearing suicide vests and carrying arms, officials said.
Troops have cornered the fighters in a market, a spokesman for the governor of Paktia province, Rohullah Samoon, said.
Small and heavy arms fire is being heard in the heart of the town and the assault is continuing. Officials say they believe there are some casualties.
In July, gunmen and suicide bombers targeted four sites in the city of Gardez, among them the governor’s compound.