Washington DC/IBNS: Gangster Harpreet Singh, alias Happy Passia, who is allegedly responsible for multiple terror attacks in Punjab, has been arrested in the United States on Friday, media reports said.

Happy was arrested in California's Sacramento.

The gangster, who had entered the US illegally, used burner phones to evade arrest.

In an X post, FBI Sacramento wrote, "Today, Harpreet Singh, an alleged terrorist responsible for terror attacks in Punjab, India, was arrested by the #FBI & #ERO in Sacramento. Linked to two international terrorist groups, he entered the U.S. illegally and used burner phones to evade capture."

As per Punjab Police, Happy is wanted in as many as 17 criminal cases.

The National Investigation Agency or NIA named him recently in a chargesheet related to the 2024 grenade attack in Punjab's Chandigarh.

Happy from the US and Pakistan-based terrorist Harwinder Singh Sandhu alias Rinda were responsible for the grenade attack, NIA said.

The two provided logistical aids, terror funds, weapons and ammunition to the ground operators in Punjab. 

The attack was hurled on a house which was assumed to be occupied by a retired Punjab police officer.

As per a report by Hindustan Times, the Punjab Police busted a terror module backed by Pakistan-ISI and run by Happy and another operative named as Shamsher alias Honey.

Five including the mastermind Abhijot Singh were arrested in the case over grenade attacks on police establishments in Batala and Gurdaspur.