A New Hyde Park man who attempted to pull a 5-year-old boy from his mother's hand at a Westbury bus stop Friday evening was arrested after a struggle on a county bus that left one officer with a fractured hand, according to Nassau County police.

Prateek Pokhrel, 35, of Seller Avenue, faces charges of second-degree assault, custodial interference, criminal mischief, endangering the welfare of a child, obstructing government administration and resisting arrest.

Police said Pokhrel approached the mother and son at 5:43 p.m. as they waited at a bus stop on Post Avenue and tried to pull the child away. The mother resisted and was able to gain control of her child and walk away from the suspect, police said.

Pokhrel then boarded a NICE bus heading eastbound on Maple Avenue, police said. A sergeant and an officer from the Third Precinct responded to the scene, then stopped and boarded the bus a short time later at Union Avenue, authorities said.

The officers ordered Pokhrel to exit the bus but he refused, police said. After a brief struggle, Pokhrel was arrested.

Authorities determined that earlier in the evening the suspect had damaged the sideview mirror of a car as it was stopped at a traffic light on Post Avenue, police said.

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The injured officer was treated at a hospital for a fractured right hand.

Pokhrel will be arraigned Saturday in First District Court in Hempstead.