News: At about 20:50 on the 22nd, four people trapped in a roof fall accident at Qingshuiying Coal Mine in Ningxia were successfully raised.
At around 23:50 on August 19, a roof fall accident occurred at a working face of the Qingshuiying Coal Mine of Ningxia Coal Company, National Energy Group, and 4 people were trapped in the accident.
At around 7 o'clock on August 20, rescuers heard the percussion and got in touch with the trapped people through the drill pipe.
At 20:13 on August 20th, rescuers opened the life-saving hole for transporting food and delivered food to the trapped people as soon as possible.
On the morning of August 21, the trapped people sent out a note to inform rescuers that they are currently in good physical condition.
On the morning of August 22, the trapped persons reported their safety to their families through recording.