Train collision happened on the first line of the Shanghai Metro on December 22 in the first hour
after the opening of the subway on Tuesday, Xinhua news agency reported.
The first branch, built in 1993, is the busiest in the subway in Shanghai.
Due to the fact that the trains were moving at a low speed, no one was hurt, the passengers were evacuated.
Because of the accident had to de-energize the branch subway, which led to the accumulation of a large number of people hurrying to work.
The city authorities have mobilized ground transportation to eliminate the consequences of the incident.
Cause of the accident are being investigated. It is known that shortly before the collision of trains
professionals engaged in the liquidation of the arisen in the electrical circuit.