New Delhi, April 22 -- Federal Bureau of Investigation (FBI) Director Kash Patel has assured that justice will be done after the agency arrested terrorist Harpreet Singh, alias Happy Passia, involved in a series of grenade attacks in Punjab.

Passia, is among India's most wanted and carries a reward of Rs.5 lakh on his head, announced by the National Investigation Agency (NIA) in January this year over his alleged involvement in grenade attacks on a house in Chandigarh and police stations in Punjab.

Patel, lauding the team's efforts, said the FBI Sacramento conducted the investigation in coordination with India.

"CAPTURED: HARPREET SINGH, part of an alleged foreign terrorist gang here illegally in the United States, who we believe was i...