A 19-year-old man in Peterborough, Ont., has been charged in the murder of his 50-year-old father, police say.

Peterborough police say they responded to a call about a disturbance at a home on Haggis Drive in the area of Beatley Drive and Sherbrooke Street shortly before 4 a.m. on Monday.

Crews at the scene found the body of 50-year-old Andrew Chan, a local doctor. A woman at scene was air-lifted to hospital in life-threatening condition, but her status has been upgraded to critical.

Thomas Chan, 19, was arrested and charged with murder and attempted murder.

None of the charges against him have been proven in court.

Police say more information will become available as the investigation continues.