India, June 25 -- A 22-year-old man was stabbed to death inside the first-class compartment of a Churchgate-Nalasopara local train on Tuesday night, following an altercation with a fellow passenger over closing the coach's doors to protect against a heavy downpour. The tragedy comes just five months after a 33-year-old Mumbai college professor was knifed to death by a 27-year-old daily wage labourer over a dispute about space in a crowded local train. The accused in the case was arrested, a chargesheet has been filed and a trial is expected to begin soon.

The incidents underscore the need for security systems across Mumbai's local trains, which service 80 lakh people every day.

The victim of Tuesday night's attack, Mayank Lohar - a Vira...