MBTA Transit Police say a man violently attacked a group of officers Wednesday at the Park Street stop in Boston.
The 25-year-old man, whose name was not released, was arrested after biting, head-butting and punching the officers, police said.
One officer was hospitalized with a serious bite wound, according to police.
Police say the man wanted to sleep on the floor of a train.
NBC10 Boston has reached out to transit police for more information.