As reported by China News Service, the emergency occurred during the construction of the tunnel for high-speed railway.

In addition, the rescue work lasted from yesterday for a total of 14 hours, but for a long time to the blocked there was no access. The tunnel was filled with gas.

Meanwhile, rescuers confirmed the death of 12 people.

Currently, the remaining victims are in the hospital, there are no threats to their lives.

It should be noted that more than 2,000 employees of the special squad and medical workers participated in the rescue operation. In turn, it ended at 4:45 am on Wednesday, May 3rd.

Recall, as previously reported, "URA-Inform", in the Afghan capital, the city of Kabul, a powerful explosion near the US embassy. So, as a result of the incident, eight civilians were killed.