The bomb was detonated in a truck (Bhe 1 Kha 521) parked at the residence of local businessman Trilochan Regmi.
According to District Police Office, Gulariya, the explosion has left the truck partially damaged.
Western In-Charge of the underground armed outfit, Tarai Janatrantrik Madhes Mukti Morcha (Jwala Singh), Bhagat Singh has owned up to the blast over the phone.