AN INTENSE bushfire which sent plumes of smoke over Bundamba is suspected of being deliberately lit.

Police searched for a group of youths spotted on trail bikes around the area but no trace was found.

Fire crews battled to contain the blaze which burnt out 100 acres of grass and bush behind Frank St in Bundamba and the Cunningham Highway.

Crews turned their attention to High St when thick smoke began to blow directly into homes.

Bundamba station officer Des Sardie said it was believed the fire was started sometime yesterday morning, before it spread beyond its containment lines at around noon.

The fire is under investigation.

Flames came within metres of homes but Mr Sardie said homes were never in danger.

He said it was frustrating fire crews spent time battling a fire which could have been avoided.

"It's very frustrating that we spent so many resources and time to put out this kind of fire," he said.

"It takes crews away from our area and we have to bring in another crew to cover."

Mr Sardie said neighbours were growing concerned as the flames and smoke appeared to edge closer to their homes.

Jordan St resident Tiffany Davies said it was a scary experience seeing flames so close to their home.

"It's a little bit too close for comfort for me," she said. "It's no fun being this close to the fire that's for sure."

Mr Sardie said residents had been urged to dispose of cigarette butts correctly.

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