An unidentified group of people have detonated bomb in the office of Kalika Construction site at Hawaldarpur in Kohalpur Municipality-15.
According to the DSP Yagya Prasad Bhattarai of Area Police Office of Kohalpur, the bomb was detonated in the mid-night of May 4.
Police said that the motive and people involved behind the explosion is not known yet.
The explosion has damaged “Asphal Plant” according to the construction manager Yuv Raj Chettri.
Police have arrested Dev Bahadur Rokaya from Salyanibag of Nepalgunj on suspicion of his involvement in the explosion.