The National Investigation Agency (NIA) has arrested a Lucknow resident from Delhi for his alleged association with jailed gangster Lawrence Bishnoi, an official said.

Vikas Singh, who hails from Gomti Nagar Extension in Lucknow, had allegedly harboured members of the Bishnoi's terror syndicate, which executed the rocket-propelled grenade (RPG) attack on the Punjab Police's intelligence headquarters in Mohali in May 2022.