A 26 year old man has been arrested in connection with a gas explosion at a flat in Elderpark in Glasgow.
Paramedics, firefighters and police were called to Kennedar Drive in the Govan area of the city, following reports of the blast at about 07:05 on Friday.
A 26-year-old man and a 30-year-old woman were both taken to hospital.
The man's condition was described as critical and the woman was later discharged.
Police Scotland say inquiries were continuing.