A statement attributed to al Qaeda and posted on the Internet on Tuesday denied Islamists had killed former Lebanese Prime Minister Rafik al-Hariri, saying Lebanese, Syrian or Israeli intelligence were behind the attack. The statement, signed by a hitherto unknown group calling itself the Al Qaeda Organization in the Levant, was posted on an Islamist Web site often used by al Qaeda a day after another unknown Islamist group said it was behind the huge Beirut blast that killed Hariri. Full Story