This is the terrifying moment a disgruntled former employee attacked his former colleagues on a bus in India.

Harsh Sinha, who had been fired from his job, assaulted conductor Yogesh inside the public vehicle on October 1.

CCTV footage shows the bus, packed with passengers standing in the aisle. Moments later, Harsh stood up and ran to the back, attacking the conductor. This triggered screams and panic among the passengers, who immediately fled the vehicle as he threatened them with a knife.

The bus operator blocked the glass door to prevent the suspect from escaping, causing him to kick the window repeatedly until he eventually broke the door.

No serious injuries were reported from the incident.