'Mass killing justifies war' Gruesome ... bodies uncovered in a grave in Hatra, northern Iraq By GEORGE PASCOE-WATSON Deputy Political EditorTONY Blair silenced his critics on Iraq yesterday by describing the mass graves of women and children murdered by Saddam Hussein’s regime. The Prime Minister told MPs that investigators had found kids’ corpses still clutching toys. Pregnant women had been slaughtered. They lay alongside foetuses. The body of one mum — shot in the face — clutched her baby. The tot had been...