China Qiqihar Sunday (July 23) , nine people have died.

According to Xinhua News Agency, the collapse occurred in the afternoon of Sunday at the time of Qiqihar 34th Middle School Gymnasium.

At the time of the accident, there were 19 people in the museum, of which four were out of danger and 15 were trapped.As of 3 am on Monday (24th), the nine people had died of the trapped persons. The four were rescued and had no danger of life.

Preliminary surveys show that during the construction process of the teaching comprehensive building adjacent to the gymnasium, the construction unit violated the roof of the gymnasium in illegally.Affected by rainfall, the peak water soaking weight increased, causing the increase in roof load caused by collapse.In -depth investigation is still ongoing.

The responsible person of the construction unit of the teaching comprehensive building has been detained by the public security organs.