U.S.-led coalition troops conducted an air strike on Taliban weapon smugglers in southern Afghanistan, as Afghan and NATO-led troops continued their siege of a contested town in the region, officials said Monday. Several militants were killed and two civilians were wounded in the coalition air strike and ensuing operation Sunday in the Musa Qala district of Helmand province, the coalition said in a statement. «The combined force detained 10 people suspected of having links to insurgent weapons facilitation networks,» it was quoted as saying by the Associated Press.