Anthony Coughlan, 51, of Greenwich was arrested about 9:30 p.m. May 1 on charges of third-degree assault and threatening.

Police received a report of a public disturbance between a car driver and motorcyclist in the area of Saugatuck Avenue and Ferry Lane West. When officers arrived, the motorcyclist with a bloody nose, according to the report. An investigation revealed that Coughlan allegedly assaulted the victim and then driven away. During the altercation, it's alleged that Coughlan threatened to run over the motorcyclist.

Police contacted Coughlan, who then turned himself in. His bail was set at $1,000 and he is scheduled to appear May 10 in Norwalk Superior Court.