Howrah, May 21 -- Security agencies and the Railway Protection Force (RPF) have launched an investigation after CCTV footage captured a suspect deliberately throwing an object that led to a fire and smoke scare at Howrah Station near the cab road area.

The incident was discovered to have occurred just before the fire reported in the coach of the Mithila Express on Tuesday.

The incident comes on the heels of recent warnings and intelligence reports suggesting that the railways is increasingly being targeted amid an orchestrated sabotage.

Authorities believe the act was designed not just to disrupt railway operations, but to trigger a stampede-like situation among thousands of commuters.

Probe is currently underway to identify the suspe...