Suffolk County police have released video surveillance images of a...

Suffolk County police have released video surveillance images of a man they say is being sought in connection with a robbery at HSBC Bank on Montauk Highway in Mastic on Thursday afternoon, April 9, 2015. Credit: SCPD

A man who threatened to use a gun robbed a bank in Mastic Thursday afternoon, Suffolk County police said.

He handed a note demanding cash to a teller at HSBC Bank, at 1718 Montauk Hwy., about 1 p.m., police said.

He was given cash, then ran north through the parking lot, police said.

He had salt and pepper facial hair, appeared to be 50 to 55 years old, is about 5-foot-8 and had a medium build, police said.

Anyone with information about the robbery is urged to anonymously call Crime Stoppers at 800-220-TIPS.

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