“It’s words that you never want to hear. It’s words that they give you goosebumps," said Mike Drivdahl.

Drivdahl is the spokesperson for the Fort Worth Professional Firefighters Association and president of the Fort Worth Firefighters Foundation.

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Like others, hearing "Mayday" over the radio on Wednesday shook him.

“We don’t use those words for any other situation, other than a firefighter is lost or trapped or in need of rescue," he said.

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Fort Worth firefighters were battling a house fire in the Historic Southside neighborhood when a garage collapsed, trapping Firefighter Caleb Halvorson, according to the department.

In a post on the department's Facebook pa

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