Helicopter gunships and about 1,000 Pakistani troops on Wednesday raided a suspected hideout of an al-Qaida-linked militant chief, trading gun and mortar fire with fighters in the mountainous region near the Afghan border, officials said.Abdullah Mehsud, a former Guantanamo Bay prisoner who was released in March, is suspected to be hiding in the area. The one-legged militant commander is believed responsible for the kidnapping of two Chinese engineers on Oct. 9. The raid came a day after the top military commander in the area said he believed it was unlikely Osama bin Laden was hiding in the tribal region, as U.S. authorities suspect.Full Story