An Israeli soldier hurls a stun grenade towards Palestinian protestors in the divided West Bank city of Hebron, December 29, 2000. [In Gaza a Palestinian policeman was killed in a fierce gun battle hear the Israel-Gaza border dealing a new blow to U.S. President Clintons bid to forge a Middle East peace accord before he leaves office. After two bombings yesterday, Israel tightened its closure of the West Bank and Gaza, barring Palesitnians from moving between West Bank cities. ]