SIR Keir Starmer has come under fire after he unknowingly welcomed an Egyptian activist with a hate-filled past into Britain. The PM had said he was “delighted” at Egyptian Alaa Abd el-Fattah’s arrival. But it later emerged that El-Fattah had made posts calling for the killing of Jews and police in vile rants which Tory leader Kemi Badenoch called “anti-British”. However, Downing…