Chris Henry

UPDATE: Cops tells TMZ Tonga was questioned at the scene and then released. We're told she was never taken into custody. Chris Henry's fiancee, Loleini Tonga, had no visible injuries ... law enforcement tells TMZ. A law enforcement official in North Carolina tells us they "observed no visible…

Chris Henry -- a wide receiver on the Cincinnati Bengals -- is fighting for his life after falling out of the back of a moving pick-up truck earlier today. Police tell TMZ Henry had been involved in a "domestic situation" with his fiancee in North Carolina, when she tried to leave her home in a…