The Boston Fire Department responded to a call for a worker pinned by a concrete truck.
According to the department, firefighters arrived to a construction site located at 715 East 2nd Street in South Boston for a worker pinned by a piece of equipment.
Firefighters learned a concrete structure tipped over as its footing gave way and trapped the work.
Other workers tried to rescue him, but were unable to.
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Firefighters took over and extracted the worker.
Boston EMS transported the victim to Tufts Medical Center. His injuries are not considered life-threatening.
OSHA has been asked to respond.