There was chaos and everybody was running for cover after the security escorting the food aid convoy exchanged fire with the armed gang. The Ministry of Health set up a six-bed clinic in the FTC camp, and medical staffs from Bama have started working there. We are cooperating with the local people's committee and local military unit in launching a rescue operation to find the missing 13 people,'' said Thien from the province 345 kilometres northwest of Hanoi.