Saif al-Islam Qadhafi, the most prominent son of Libya’s former leader Muammar Qadhafi, was shot dead at his residence on Tuesday, a relative said.Abdullah Othman Abdul Rahim, a family member, told a television channel that Saif al-Islam was killed by a group of four unidentified armed men who stormed his house after disabling surveillance cameras.“Four armed men entered the residence of Saif al-Islam Qadhafi after cutting off the cameras and then executed him,” Abdul Rahim said, without providing further details.Once regarded as his father’s heir apparent, Saif al-Islam was a powerful figure during the final years of Muammar Qadhafi’s four-decade rule and played a key role in shaping state policy. He led negotiations that saw Libya abandon its weapons of mass destruction and brokered compensation deals for the families of victims of the 1988 Pan Am plane bombing over Lockerbie, Scotland.However, his public profile diminished sharply following the 2011 uprising ...