KABUL (AFP) - Gunmen Saturday kidnapped a Pakistani engineer working on a road in insurgency-hit southern Afghanistan, a police commander said. The engineer, employed by an Afghan road construction company, was abducted after the gunmen opened fire and injured his driver as they were travelling outside the city, Kandahar police chief Sayed Agha Saqeb told AFP. "A Pakistani engineer was kidnapped on the road between Kandahar city and Gereshk," Saqeb said, referring to a town in the neighbouring province of Helmand. "We have launched an operation to track the kidnappers and free the Pakistani national," he told AFP. The police commander could not say who may have been responsible for the kidnapping. Taliban have been behind a series of such abductions as have criminal gangs.