Bergen County police announced the arrest of Abena Yeboah.READ MORE: Police: 17-Year-Old Girl Punched In The Face, Robbed In Brooklyn
Police said they were told on July 8 about the alleged abuse.READ MORE: $94 Million Project To Rebuild Hinchliffe Stadium In Paterson Now Underway
An investigation determined a Hackensack family hired Yeboah to care for the child, according to police.
Authorities said nanny camera footage showed Yeboah hitting, kicking and yanking the child by the arm.MORE NEWS: Authorities: New York Woman Kidnapped, Sexually Assaulted In New Jersey
Yeboah was taken into custody the by the NYPD and is awaiting an extradition hearing.