Major Biden 'nips' National Parks Service staffer

Dr. Jill Biden's office confirmed Tuesday that Major Biden, the youngest of the first family's two dogs, encountered another person that led to a "nipping" incident, said

Last month, Major nipped a Secret Service agent when he was startled, the White House said at the time. He then attended a training workshop that helped him work on his anxiety about being around so many strange people.

"Yes, Major nipped someone on a walk," Dr. Biden's press secretary Michael LaRosa told CNN. "Out of an abundance of caution, the individual was seen by [the White House Medical Unit] and then returned to work."

Major is just three years old.

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