A day fishing at the park turned into a nightmare for a New Jersey family when an eight-year-old boy was attacked by a beaver that authorities say has since tested positive for rabies.

The attack happened just before 6 p.m. Sunday at Lake Henry in the Continental Soldiers Park complex in Mahwah, New Jersey, according to police.

Mahwah Police Capt. Michael Blondin said the boy, who was not named, was fishing near the shoreline of the lake when the beaver “exited the lake and charged him,” PIX11 News reported.

“The child began to run away but tripped,” Blondin said.…