LAKEWOOD, Colo. (KDVR) — West Metro Fire Rescue responded to a house fire Sunday night that resulted in a man being injured and taken to a hospital.

The man was trying to find his two cats before firefighters were on scene at around 7:12 p.m. The fire was in the 900 block of Fenton Street in Lakewood, WMFR said on Twitter.

Crews were searching for pets. One cat died and a second was unable to be located. The man remains in critical condition, according to WMFR.

There was extensive damage to the home, but the cause of the fire remains under investigation.

FOX31 Denver will provide updates when they become available.