Major, one of the dogs belonging to the family of US President Joe Biden, bit someone on Tuesday, various media sources have reported.The man, a National Park Service employee, required medical attention."Yes, Major nipped someone on a walk," Michael LaRosa, the press secretary of first lady Jill Biden told CNN. "[He is] still adjusting to his new surroundings."A spokesperson for Jill Biden confirmed to CBS that the injured man "returned to work without injury."The incident occurred at around 5 p.m., CNN reported, while Major was out on a walk on the South Lawn of the White House, accompanied by a staffer.

This is the second time this month that Major has been involved in a biting incident.

On March 8, Major bit a Secret Service member, injuring him enough to require medical attention. 

At the time, White House press secretary jen Psaki said: "[Champ and Major] are still getting acclimated and accustomed to their surroundings and new people,"] CNN reported.

Major and Champ, the Bidens' other German Shepherd, were transported to the Biden's home in Delaware following the episode.