File photo Palestinian President Yasser Arafat and his wife Suha attending the Midnight Mass at Bethlehem's Saint Catherine Church in this December 24, 1999 file photo. Palestinian leader Yasser Arafat is "very, very sick" and the ex-guerrilla who for decades symbolised a struggle for statehood is slipping in and out of consciousness, officials and medics said on Thursday.REUTERS/POOL/Andre Durand