Winnipeg fire officials are investigating a house fire in the city's River Heights neighbourhood that sent a man to hospital in critical condition.

Firefighters were called to the 500 block of Cordova Street at 2:41 p.m. Tuesday.

Police said a man was taken to hospital in critical condition.

Total damages to the house and contents are estimated at $400,000.

The cause of the fire is under investigation, according to fire officials.