Subway operation on Subway Line No. 8 was delayed for 20 minutes due to an electrical failure.
At 8:16 a.m., 18 minutes later, Seoul Metro moved the broken train to a subway train garage, and resumed operations using another train.
The accident caused inconvenience for commuters on their way to work.
Subway Line No. 7 service was delayed Friday morning as well. Authorities are investigating the incident.
By Lee So-jeong (email@example.com)