united nations warning the worst may be to come as groups vie for power. >> unless a solution can be found in the coming days the country will slide into further violent conflict and fragmentation. >> reporter: a u.s. official tells cnn al qaeda fighters which have vowed to attack the u.s. are now moving quickly to increase recruiting and continue plotting attacks. but the u.s. just became essentially blind on the ground. more than 100 u.s. military commandos like these who had been tracking al qaeda, known as aqap secretly ordered out of the country by the pentagon over the weekend. this special operations forces were evacuated by military aircraft and transported across the gulf of aden to djibouti. fighter jets patrolled overhead while emergency response helicopters were stationed nearby.