The Calgary Fire Department says police have been called to help investigate what caused a fire in the 700 block of 17th Avenue Southwest on Sunday night.
No injuries were reported. A fire official told Global News that police were called because there was evidence to suggest arson could potentially be the cause.
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The fire official said the blaze broke out at about 9:30 p.m. at the back of a multi-business building that houses a restaurant and nightclub. They said the fire was fed by a damaged gas meter and that at least one business sustained significant damage.