India, Sept. 26 -- A train journey from Nagpur to Mumbai took a frightening turn after a stone allegedly hurled from outside shattered the window of a moving Duronto Express, sending shards of glass flying inside the coach and injuring four passengers.

(Also read: Tejasvi Surya's wife recounts 'traumatic' train ride, says 40 men talked loudly for 5 hours)

The incident occurred while a group of friends was having dinner inside the train. A video from the aftermath showed shattered glass scattered around the compartment as passengers tried to understand what had happened.

Instagram user Aesthete Traveller shared footage of the incident, showing the group sitting inside the coach before their meal was abruptly interrupted.

Explaining wha...