QUETTA - At least 11 people, including seven personnel of Frontier Works Organisation (FWO) and three National Highway Authority (NHA) officials were killed and two others received serious wounds in an armed attack Gwadar on Monday night. Official sources said that eight attackers riding on four motorcycles appeared on the site of camp of FWO located at Palari area near Iran border some 50 KM west of Gwadar and sprayed a volley of bullets on the labourers with sophisticated weapons. As a result, four were killed on the spot while eight others sustained serious bullet wounds. However, six of the injured later succumbed to their injuries. The terrorist attack in which 11 persons including the soldiers of FWO were killed and two others injured happened in Palari area of Gwadar, Provincial Home and Tribal Secretary Akbar Hussain Durrani told this ascribe. The attack occurred when a large group of labourers along with the FWO personnel, a sister organisation of Pakistan Army and National Highway Authority, involved in construction of coastal highway, completed their work and having rest close to road in the evening. The assailants escaped from the scene after committing the crime. After the attack, police and Frontier Corps Balochistan rushed to the spot and started evacuation of the injured and shifting of the bodies. Security forces started a massive search in the area to arrest the attackers. Assistant Commissioner Mohammad Talha told the local reporters that the attackers were riding four motorcycles and were armed with Kalashnikovs and they sprayed bullets on the labourers and personnel of FWO and officials of NHA that resulted in killing of 11 persons including seven soldiers and three technical staff members of NHA and injuries to two others. Sources said that a passer-by civilian was also killed in the attack. The injured and dead were moved to Navy hospital, however, their names could not be ascertained. No group immediately accepted responsibility for the attack.