About nine of the most dangerous leaders of Al-Qaeda were killed Thursday morning in al-Jabalain area in Yemen’s Abyan province, an official source at the Southern Military Region said. “They have been rounded up and raided by the champions of the 119th Infantry Brigade and the popular committees, which led to the killing of the terrorist and dangerous leader of the Al-Qaeda Nadir Haider Nasser al-Shaddadi," the source added in a statement.