An unidentified group detonated bombs in two excavators and a tipper, parked in Simrai Khanibesi road of Dudhouli Municipality-14 of Sindhuli on Wednesday night. Those vehicles were used by Maruti Cement Mine in the excavation of limestone, the district police office said. One excavator is severely damaged while the front-glass of the other two vehicles is broken. 

Biplov cadres are suspected of their involvement in the incident. The place of the incident is about twenty-five kilometers away from the police post. Police are further investigating the incident.