LAHORE: A man threw acid on his parents and sister-in-law following a domestic dispute near Atari Stop, Sharakpur Road on Wednesday.
The victims were identified as Abdul Ghafoor, 70, his wife Sarwar Bibi, 65, and their daughter-in-law Sidra, 27, wife of Irfan.
The accused Imran threw acid on his family members on the day of the incident, scarring their faces and hands.
Rescuers shifted the injured persons to hospital where condition of Sidra was said to be critical.
Police claimed to have arrested the accused Imran.