Three Saudis convicted of highway robbery and killing a Pakistani were beheaded on Thursday, the Interior Ministry said in a statement. The ministry issued a statement that said Mohammed Bin Maktoub, Saad Bin Mubarak and Mishleh Bin Mubarak Bin Mohammed had formed a gang which robbed people at gunpoint and killed a Pakistani, identified as Niyaz Khan Shah. The statement, carried by the official Saudi Press Agency, did not say when or where the murder and robberies were carried out. But it said they were executed in Riyadh, the capital.