Three Uniondale teenagers robbed four people of cellphones and cash in little more than a half-hour Monday, Nassau County police said.

The four robberies happened between 3 and 3:33 p.m.; the three suspects took two cellphones, an iPhone and an undisclosed amount of cash from four separate victims, police said.

Andre Isaac, 18, of 244 E. Columbia St., Oumar Barry, 17, of 20 Stowe Place, and Isaiah Estrada, 17, of 254 E. Columbia St., pushed their victims to the ground and punched them or used some type of "physical force to remove property from their victims," police said.

Each of the four victims were walking near Uniondale High School, east of Uniondale Avenue, when they were attacked and robbed, police said.

Police arrested the three at 3:52 p.m., about 20 minutes after their third alleged robbery, near 1031A Front St.

Each is charged with four counts of second-degree robbery; Estrada also is charged with resisting arrest.

The three are scheduled to be arraigned Tuesday at First District Court in Hempstead.

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