CHITWAN: A liquefied petroleum gas (LPG) cylinder was set off at the office of Bharatpur Metropolis-5 at Torikhet, in Chitwan on Tuesday night.

According to Deputy Superintendent of Police (DSP) Durga Raj Regmi at Chitwan District Police Office (DPO), the LPG cylinders kept in two tyres on top of accumulated official documents were ignited to explode that cracked the ward office and caused a fire burning the documents, at around 11:55 am yesterday. The fire was doused by mobilising security personnel and fire engine belonging to the metropolis immediately after knowing about the incident, the DSP added.

Following the incident, police detained at least six persons immediately, on the charge of their involvement in the explosion.

Meanwhile, investigation into the incident is underway, police informed.

Police have speculated Netra Bikram Chand (Biplav)-led Communist Party of Nepal (CPN)'s involvement in the blast. Recently, the party cadres involved in a series of explosions that took place at Ncell towers and other public places across the country.