TYLER - A single-car rollover in Tyler kept crews working into the early morning today. The wreck happened at about 1 a.m. on Loop 323.

A witness says the car swerved on the northbound lane, hit the median and rolled over.

Traffic on that part of the Loop was backed up for almost an hour.

The driver and passenger were both sent to the hospital. No word yet about what caused the driver to swerve.