India, May 27 -- Four people, including two minors, have been arrested for allegedly assaulting a 60-year-old security guard and mowing him down with an SUV in west Delhi's Peeragarhi on Saturday, police said, adding that the guard succumbed to his injuries at the spot.

It was a pre-planned murder to avenge a previous argument where the guard has allegedly verbally abused one of the minor boys, deputy commissioner of police (outer) Vikram Singh said.

The arrested adults were identified as Vinay Kumar,22, a resident of Haryana's Bahadurgarh, and 18-year-old Ayush Chauhan, who is from Delhi's Najafgarh. The two minors are aged 16 and 17.

"The security guard, Bijender Singh, had abused the boy during the altercation. As a result, the boy ...