Police are searching for a New Bedford man after an apparent assault on a taxi cab.

New Bedford Police say a Star Cab dropping off a fare on Linden Street early Wednesday morning was rammed by another vehicle. After the car struck the cab, the driver of the vehicle got out and smashed a window of the taxi with a hammer before getting back into his car and driving away.

Police have issued a warrant for the assailant's arrest. He's identified as 53-year-old William Lawton of New Bedford, last seen wearing a black hoodie and driving a gold-colored 2006 Nissan.

Anyone with information on Lawton's whereabouts can call New Bedford Police at 508-991-6300.