A construction worker was injured while on site in Cambridge, Massachusetts, on Thursday morning.
According to the deputy fire chief, the worker was at the bottom of a pit when crews began lowering a beam which cut the worker's leg.
The fire department was able to rescue the worker at the bottom of the 30-foot pit.
The worker is being taken to an area hospital to be check out.
The Occupational Safety and Health Administration has been notified.
