A 27-year department veteran, 51-year-old Williamson was crushed by rubble at 300 W, Indiana Ave., which went up in flames around 2 a.m., fire officials said. Around 90 minutes later, it collapsed.
Four other firefighters and a Licensing and Inspections Department inspector were pulled from the rubble and treated at Temple University Hospital, officials said.
"This is a heartbreaking day for our city," Mayor Jim Kenney said. "I want to express my sincere gratitude and commend our first responders who responded swiftly and bravely to save lives."
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