The incident took place yesterday near Hathipur village when an overcrowded Tata Magic vehicle, plying from Moradabad to Bilari, rammed into a mini-bus, Bilari Station House officer Pal Singh said.
The driver of the car was allegedly overspeeding and the vehicle turned turtle upon impact, he said.
While three persons were killed on the spot, one succumbed to injuries later, he said.
