Police said they have arrested a robber who, posing as a flower deliveryman, used a stun gun to incapacitate a Great Neck Plaza apartment resident, then struck him in the head with a glass vase, bound his hands and feet -- and burglarized his closet safe earlier this year.

Daniel Ratliff, 36, of 83 Farrington Ave., Bay Shore, was arrested Thursday and charged with three counts of first-degree robbery, two counts of first-degree burglary, second-degree grand larceny and three counts of third-degree criminal possession of a weapon, Nassau County police said.

Police would not say what evidence might have led to the arrest or whether Ratliff knew the victim, who has been identified only as a 34-year-old man.

The robbery occurred at an apartment on Clent Road just before 2 p.m. June 10.

Police said Ratliff, posing as a flower deliveryman, rang the doorbell and that when the victim answered, Ratliff incapacitated him with a stun gun, then hit him in the head with the vase. A struggle ensued, police said, but the assailant displayed a black handgun.

The victim was then tied up, police said, before the assailant broke into the closet safe and stole cash, diamond jewelry, a passport and paperwork.

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The victim later was taken to a hospital by Nassau police ambulance and was treated for facial fractures and head trauma, police said.

Ratliff is scheduled for arraignment Friday in First District Court in Hempstead.