A Chicago firefighter has tragically succumbed to injuries sustained while battling a fire early Wednesday morning in the city’s Austin neighborhood.br br The incident occurred around 5:30 a.m. at a property located at 5505 West Crystal Street.br br According to the Chicago Fire Department, a mayday was issued after the firefighter went down during operations inside a burning structure.The fire involved a detached garage situated behind a multifamily apartment building.br br Preliminary reports suggest that part of the garage suffered a structural collapse, striking the firefighter during the response.