The clean-up continues in Bragg Creek after a huge fire destroyed a gas station Monday night.

The Husky station at the corner of Highway 22 and Highway 22X was closed when the fire broke out around 8 p.m. MT, said witness David Sshuurman, 25.

"We were eating in the restaurant and some guy was staring out the window, and he slammed his fist in the bar and said 'Someone call the fire department!,' " he said.

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They decided they should leave the area when they saw "huge flames and billowing smoke," he added.

It appears the owner was working on a vehicle in the shop when gas fumes were ignited by a heater on the ceiling, Redwood Meadows Emergency Services officials said.

Tim Mitchell manages the Husky Station and said it was sad to see the building go up in flames, but it could have been a lot worse.

"Nobody was hurt and the fire department did a wonderful job of getting it out," he said, adding it's amazing considering it was a fuel station that none of the other buildings around the station were damaged.

More than 40 firefighters and seven trucks from several communities helped battle the blaze, successfully preventing it from spreading to the nearby Bragg Creek shopping centre.

Rob Evans, deputy fire chief for Redwood Meadows Emergency Services, said firefighters were able to control the fire thanks to the constant work from crews at the scene and those shipping in water by trucks.

"We had four tanker trucks going back and forth from Redwood to Bragg Creek, and it kept the steady flow of water," he said. "We were able to put the fire out. We knocked it down in about nine minutes after our arrival and it was under control in about an hour and a half."

Officials say since the fire was an accident, no charges will be laid.

Bragg Creek is about 40 kilometres west of Calgary.