(Qiqihar Comprehensive News) A stadium in a middle school in Qiqihar City, Heilongjiang Province, China. The roof collapse occurred on Sunday (July 23), causing 11 people to death.On -site search and rescue work ended on Monday morning, and the relevant responsible person had been detained by the police.

The collapsed gymnasium is located in the 34th Middle School of Qiqihar.The scene showed that the entire roof of the gymnasium collapsed, with only walls and ruins in the museum.After the incident, nearly 160 firefighters and 39 fire trucks rushed to search and rescue.

According to Heilongjiang Daily, 19 people were in the gymnasium at the time of the incident, and four of them were out of danger.Of the 15 trapped people, 11 people were unfortunately killed, and the four were rescued from the ruins without life -threatening.

The official identity has not been announced, but a father told the China Youth Daily when a father was anxiously waiting for the 16 -year -old daughter in the local hospital that a women's volleyball team was training in the gym.

According to the Beijing News, the trapped people are all third -year students, and one male and female coaches. They originally planned to go to Hunan to participate in the national competition in a few days.

A video widely circulated on Weibo shows that parents of the victims questioned that the official did not inform the child in time after the incident, but sent a large number of police and officials to maintain stability on the spot.

Comprehensive reports from Xinhua News Agency, CCTV, CCTV, Hualong.com Weibo, and Beijing News found that preliminary investigations found that the construction dealers of the construction of teaching comprehensive buildings next to the gymnasium were illegally placed on the roof of the gymnasium.Sleeve is a mineral with high water content and water absorption.In the case of continuous rainfall, suction absorbs water and increases weight, causing the roof to collapse.

The stadium has been completed for 26 years, with a construction area of about 1,200 square meters. The wall is a grid structure and the ceiling is a concrete plate.A person familiar with the news broke the news to Hualong.com. Last winter, someone shot three workers to put the bags of the bags for half of the roof, until the incident was not moved away before the incident.

According to China Surging News, construction and construction agents are Heilongjiang Jiamei Construction Co., Ltd., which was established in 2009. In the past three years, they have contracted multiple government engineering projects, including Qiqihar City Public Security Bureau, Municipal Procuratorate, Municipal Intermediate Court, and a collapse accident.34th Middle School.

Agence France -Presse reports that industrial accidents are common in China due to lack of relaxation and poor law enforcement.Last month, a barbecue restaurant in northwestern China exploded, causing 31 people to die.In April, a fire broke out in a hospital in Beijing, causing 29 people to die, and desperate survivors were forced to jump to escape.One of the most serious accidents was that in 2015, a huge explosion occurred in a chemical warehouse in Tianjin, causing at least 165 people to die.