A teenager was killed after being hit by a vehicle of cow vigilantes, who were chasing a truck that was reportedly smuggling the bovine animals in Alwar district of Rajasthan, the victim’s family has alleged.

The incident occurred on Sunday in the Chupanki police station area in Bhiwadi near the Rajasthan-Haryana border where Sabir Khan, 17, was hit by the speeding vehicle in which the cow vigilantes were chasing the truck, police said.

A case of murder was registered against seven persons on the basis of the complaint filed by Khan’s family, police said, adding that three of them have been arrested.

“Sonu, Harkesh and Narendra have been arrested while four others are absconding. The matter is being investigated,” station house officer Mukesh Kumar Verma said.

Khan’s body was handed over to his family after post-mortem.

Bhiwadi circle officer Hari Ram Kumawat said the truck, which was carrying 15 cows, rammed a tree and stopped in Tauru area of Haryan’s Nuh district and the matter was being probed by the Haryana police.