Two more men have been arrested by police investigating reports of a man being pushed into a car.
All five are in custody awaiting questioning.
Cleveland Police have said the vehicle, a silver Ford Kuga, has now been locate.
Officers though have not yet identified or spoken to the man involved.
A spokesman for the force said:
We would urge him to come forward, as well as anyone else who was in Bedford Street at around noon on Saturday and who has not yet spoken with police.