HOUSTON -

An investigation is under way after a man told police he was cut off just before his truck ended up flipping on the North Freeway.

The accident happened on the North Freeway and Airtex Drive around 10:45 p.m. Tuesday.

The driver told police another vehicle in front of him caused him to swerve and as he started to lose control and skid sideways, an 18-wheeler in the next lane may have clipped him.

That's when the man said his truck started to flip. The truck ended up on top of the concrete wall on the outside of the freeway.

Three people were inside the truck. One woman who was sitting in the middle seat had to be taken to the hospital with minor injuries.