India, April 27 -- A 21-year-old food delivery agent was reportedly killed and his friend injured when a Delhi Police head constable opened fire after 'hurling casteist abuses' at them during an argument on Sunday.

The deceased, Pandav Kumar, and his friend Krishan were standing on a road in Delhi's Jaffarpur Kalan village around 2.30 am, and the accused, Neeraj, allegedly opened fire from point-blank range following an argument with them, police said , PTI reported.

While Kumar was hit in the chest, the bullet pierced through him and injured Krishan who is now undergoing treatment.

The police sources were quoted as saying that Neeraj is posted with the Delhi Police Special Cell, but Kumar's family alleged that Neeraj is a head constab...