Police on Monday arrested two persons on the charge of throwing acid at the engineer at the Ratnanagar Municipality in Chitwan district, Prakash Chandra Dhungana on September 17.

Narayan Neupane and Sushil Koirala, members of the Communist Party of Nepal, had barged into the office of engineer Dhungana and had thrown the acid, according to the District Police Office, Chitwan.

There were a group of people who were involved in this criminal activity, according to police, who also had scattered a six-point pamphlet in the engineer’s office after the attack.

Search for the rest of those involved in the incident is underway, while investigation into the case is also being carried out, police added.