A multi-family residence in Denver exploded Thursday evening, and one person has been taken to a hospital.

The incident happened at a fourplex residence in the 400 block of South Lincoln Street, the Denver Fire Department said in a 7:20 p.m. tweet.

Emergency crews remained on the scene Thursday night. The cause of the explosion is under investigation. A family pet, a dog, is missing in the incident.

Power and gas in the area of the incident have been turned off, DFD said in an 8:44 p.m. tweet. Residents in eight residences have been displaced by the explosion and structural collapse and are being aided by the American Red Cross Colorado. Fire crews are turning the scene over to Denver police and the city’s building department.

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