At roughly 8:00 GMT on Friday, police were called to a search, rescue, and recovery operation on Boroughbridge Road, the scene of the fatal incident.
According to North Ripon Police, three men from the Darlington area were declared dead at the scene.
A force spokesman verified that the Health and Safety Executive was in charge of the ongoing investigation.
They said that officers were providing support to the family and that they had been informed of their death. The authorities are attempting to closely investigate the incident.
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