Prime Minister David Cameron, right, meets Israel's Prime Minister Benjamin Netanyahu at 10 Downing Street, London Wednesday May 4, 2011. Netanyahu visited for talks and a working dinner, as Palestinian groups Fatah and Hamas met in Cairo to endorse a unity deal. Mr Cameron on Tuesday told MPs that progress in the Middle East peace process must be a priority in the wake of the killing of al Qaida terror mastermind Osama bin Laden.(AP Photo/Ben Stansall, pool)