Chennai Metro Rail Ltd on Tuesday said its two employees made the automatic signal system to malfunction on Monday evening.
Apologising to commuters for the inconvenience caused, Chennai Metro Rail said all its services have been restored.
Employees of Chennai Metro Rail are protesting against the dismissal of eight staff members.
--IANS
vj/pg/pcj
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)