In report will occupy new network on August 4 CCTV report, on August 4 morning 8 when make, when collective of detachment of frontier defence of city of assorted of Xinjiang noise made in coughing or vomiting gives morning exercises to go to one guesthouse, dash forward drive by member of 2 master case assault, cause the explosive on the car, cause 16 people death on the spot, 16 people are injured, personnel of 2 master case has been seized, the case is in farther cognizance.