Gangmen and contract workers were on Sunday seen carrying out work between Sion and Matunga railway stations during the scheduled mega block by Central Railway. Pics/Shadab Khan

The Government Railway Police (GRP) and the Railway Protection Force (RPF) have stepped up security checks at Chhatrapati Shivaji Maharaj Terminus (CSMT) following a series of violent incidents on Mumbai's suburban railway network. Pics/Sameer Abedi