Photo shows a blocked subway station of line 4 during a transportation disruption in Beijing, capital of China, Sept. 16, 2013. Beijing's Line 4 subway line suspended operation in the rush hours on Monday morning due to signal failure. (Photo/Chinanews)
Beijing's No.4 subway line suspended operation in the rush hours on Monday morning due to signal failure.
The signal system failure occurred at around 7 a.m.,leaving many passengers stranded.