Four members of a family, including a child,  suffered burn injuries as a fire broke out in a flat at Mugda in Dhaka on Monday morning. The injured are- Sudhangsu, 35, his wife Priyanka, 32, their son Arup, 5 and Priyanka’s mother Shefali, 55, residents of the area. Read: SSC examinees, others suffer as transport strike begins in Sylhet Priyanka's brother Palash said the fire broke out when Priyanka  attempted to light the gas stove with a matchstick in the morning, leaving the four members of the family seriously injured. The injured  are undergoing treatment at Sheikh Hasina National Institute of Burn and Plastic Surgery. Read: Journo among 20 hurt as BNP men, police clash in Natore Ayub Hossain, a resident surgeon at the hospital, said Sudhangsu sustained 25 percent burn wounds while Priyanka 75 percent, Arup 67 percent and Shefali 35 percent. The condition of three of the injured is critical, he added.