Road rage boils over in downtown Boston

MEDFORD, Mass. -- State Police said a case of road rage that started in Medford boiled over in downtown Boston Thursday.

Medford Police got the original call of a case of road rage headed south on the Expressway.

The incident ended in downtown Boston with one driver throwing a hot cup of coffee at a subcontractor's truck.

The subcontractor worked for Comcast.

State Police said they are investigating the incident as an assault.

The suspect is at large.

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