A Palestinian prisoner held by Israel said Wednesday an agreement had been reached to release him and that he was therefore ending a hunger strike he began five months ago.Khalil Awawdeh, a militant from the southern West Bank, has been held without charge by Israel since December and had been refusing food since March, apart from a respite of a few days.The 40-year-old, held in custody in an Israeli hospital, was said to be in critical condition and his life in danger.