The tragedy took place in Yusufpur in Muzaffarnagar district, about 500 km from here. The tractor trolley, carrying a family of mourners who were returning after a cremation, was left mangled.
Superintendent of Police (SP) Muzaffarnagar Kalpana Srivastava told IANS that 18 people were injured in the road crash. Some of them were critical. The injured have been admitted to different hospitals in the city and the bodies, after identification, have been sent for post-mortem examination.
Following the accident, the road was blocked for over two hours as bodies were pulled out of the wrecked tractor trolley.