Fire crews were dispatched to the Reserve at Center Square, a luxury townhome construction site, around 3:45 p.m., according to Worcester Volunteer Fire Department.
Firefighters arrived to find EMS treating the man in the basement, authorities said.
Rescue crews were able to free the man by 4 p.m., and had him airlifted in unknown condition to a local hospital by approximately 4:25 p.m., authorities said.
No further information was available.
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