Kolkata/IBNS: Three people have been killed and one seriously injured as an over-speeding bus rammed into a private car in Kolkata's Lake Town area in the wee hours of Monday.

According to reports, a Baguiati to Ultadanga-bound speeding private bus (route 44) hit the car near Lake Town clock tower.

Three passengers of the car, including two men and a woman, were killed in the accident, while the driver of the vehicle was seriously injured, and is currently undergoing treatment in a city hospital.

Police have initiated a probe into the accident.

(Reporting by Deepayan Sinha)