The rescue occurred around 3:10 a.m.
Houston Fire and Houston Police responded to a submerged vehicle on Smith Street and Congress Avenue when they found a homeless man in need of rescuing.
Crews were able to rescue the man who said he was trapped in the area for about an hour.
The vehicle that initially started the rescue was found to be unoccupied, police say.
HPD and HFD are responding to a vehicle in Buffalo Bayou near 2400 Congress Street. #hounews— Houston Police (@houstonpolice) December 8, 2018
The vehicle was found unoccupied. An unrelated individual was rescued near the scene. #hounews— Houston Police (@houstonpolice) December 8, 2018