A five-year-old boy was allegedly bitten by a neighbour's pet dog in Shahdara's Geeta Colony area, police said on Monday.
The victim Muhib Khan had to undergo a surgery but is said to be stable, they said.
Some locals claim Nitesh recently joined the Bajrang Dal and that's why he was targeted by Muslims. They further said that a mob from the nearby mosque came to beat up Nitesh, although the police deny this.
Delhi police have arrested a 24-year-old man for allegedly murdering Amit Goel, abuilder and property dealer, after the latter allegedly failed to deliver a consignment of pistols to him.