Police identified the injured as Suraj Shrestha and his wife Hema Shresta.
The couple was rushed to Civil Hospital for treatment. Seriously injured Hema has been referred to the Maharajgunj-based Tribhuvan University Teaching Hospital (TUTH) for further treatment, police said.
Likewise, Prakashman Chalan was injured while demolishing a two-storey house in Nallu, Lalitpur.
According to police, Chalan has been taken to Patan Hospital after preliminary treatment at the Chapagaun-based Anandaban Hospital.
Related story
North Korea demolishing family reunion centre, Seoul says
