Saad bin Laden son of Usama bin Laden has been killed in a missile attack in Pakistans troubled area of Fata, a report here revealed on Thursday. A US radio claimed that Saad was killed in a drone attack at the inception of the current year. According to the radio website, Usamas third son, who allegedly worked for Al-Qaeda, was killed; however, US intelligence agencies have not confirmed the report. Instead, they are convinced 80 percent that he has been killed in a drone attack.