Mathura: A truck was set ablaze and the National Highway 2 was blocked today by residents of Chaumuhan area here after the vehicle was found carrying carcasses of 30 cows, police said.

The trouble started when the residents noticed blood spilling out of the truck, which was parked at the outskirts of Chaumuha. When they removed the plastic cover from the vehicle, they found it full of dead cows, police said.