A tractor trailer rolled over against a telephone pole in Monroe yesterday morning and was leaking diesel fluid. Stevenson Volunteer Fire Company was dispatched, and learned that the occupant was helped out of the vehicle by passersby. Mutual aid was provided by Monroe Volunteer Fire Department., Monroe Police, DEEP and Eversource. Once environmental cleanup was done, and Eversource deemed the pole safe; tow truck service was able to detach the trailer from the truck and flip the truck back onto its wheels.