The Fort Lee Police Department arrested Jishi Yu, 39, of Fort Lee Thursday for the alleged physical assault of a four-month-old child and charged him with endangering the welfare of a child, Police Chief Keith Bendul reported.

According to Bendul, the Bergen County Prosecutor's Office Special Victim's Unit contacted Fort Lee detectives after they were informed that a four-month-old child was admitted to Hackensack University Medical Center on Jan. 22 with serious internal head injuries. An investigation by the Fort Lee Police Department's General Investigation Bureau and the Prosecutor's Office Special Victim's Unit resulted in the arrest of Yu, Bendul said.

Details of the alleged assault are not being released; however, Yu is believed to be an acquaintance of the child, Bendul said.

According to police, Yu is being held at the Bergen County Jail on $1 million bail with no 10 percent option.

Police report that the child has been admitted to Hackensack University Hospital Medical Center and is listed in stable condition.

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