Soon after a taxi driver was robbed of cash and his van in East Quogue early Sunday, several police departments - including helicopter and K-9 units - cooperated in a manhunt that soon resulted in the arrest of an Upper East Side man who was charged with the crimes, authorities said.

Jonathan B. Aghravi, 25, of 440 E. 59th St., Manhattan, was arrested at 4:32 a.m. Sunday and charged with one count each of first-degree and second-degree robbery, one count of grand larceny and one count of criminal possession of stolen property, all felonies; and one count of criminal possession of a weapon, a misdemeanor.

Southampton Town Police officers responding to a report of the robbery at 101 Dune Rd., East Quogue, found the victim, a driver from Dun Car Services. The driver told police that a man had forced him from his vehicle and forcibly took cash from him. The robber then drove off in the driver's 2001 Chevrolet Astro van, headed east on Dune Road.

Town police officers found the abandoned van on Dune Road, and located and arrested the suspect at an undisclosed location with the help of State Police canine and Suffolk County police helicopter units.

The taxi driver declined medical attention.

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Aghravi was held at town police headquarters for arraignment Monday. Arraignment information was not immediately available Tuesday.

Southampton Town police continue to investigate the case, and they ask anyone with relevant information to call their Crime Hotline at 631-728-3454 or 631-728-5000.