An Afghan policeman takes up position where the Taliban gunmen are holed up in a building in Helmand province January 29, 2010. In the country's south, suicide attackers launched an assault in the capital of Helmand, Afghanistan's most violent province, and gunmen were holed up in a building battling government and NATO troops who returned fire with helicopter strikes. REUTERS/Abdul Malik Watanyar (AFGHANISTAN - Tags: CIVIL UNREST)
REUTERS/STRINGER/AFGHANISTAN