19-year-old Flanders man arrested for armed robberies in September

A 19-year-old Flanders man was arrested on a county warrant last week on charges related to the robbing of two people in Medford and another person in Central Islip in three separate incidents in September, county police said.

Alberto Rosario was arrested in Bay Shore and charged with first-degree robbery, police said. He’s accused of using a handgun to rob the three victims on Sept. 20, police said.

According to county police, Mr. Rosario displayed a handgun and stole a leather backpack from a victim on Grey Avenue in Medford, police said. Shortly after, a victim was robbed of cash on West Lane in Medford, and following that Mr. Rosario stole a cellphone and a backpack from a victim on Hawthorne Avenue in Central Islip.

Mr. Rosario was arrested last Monday and is expected to appear in 1st District Court in Central Islip on Oct. 31., records show.