A soldier was killed and two others wounded when a landmine blew up their vehicle in Balochistan early on Thursday, AFP quoted officials as saying.The blast happened near a gas field in Nasirabad, a security official who requested anonymity said. The two injured soldiers were rushed to hospital after their vehicle was destroyed, the official said. The vehicle had been carrying troops on a routine patrol when it hit the land mine, AP quoted local police chief Najmudin Tareen as saying.