OCCUPIED JERUSALEM — Israeli forces killed three Palestinian fighters on Monday in a raid on a refugee camp in the occupied West Bank.In a statement, the Palestinian health ministry identified the three men killed in Balata camp in Nablus as Muhammad Abu Zaytoun, 32, Fathi Abu Rizk, 30, and Abdullah Abu Hamdan, 24.The Al Aqsa Martyrs' Brigades, the armed wing of Palestinian