Oct. 13 (UPI) -- British police on Monday charged two inmates with murder for killing Welsh musician Ian Watkins over the weekend. Watkins, the former Lostprophets singer, was serving a 29-year sentence for more than a dozen child sex offenses at His Majesty's Prison Wakefield in West Yorkshire, where he was stabbed to death on Saturday. Officers were called to the prison at 9:39 a.m. local time and found Watkins, 48, suffering from serious injuries. He was pronounced dead at the scene. Two