One person was critically injured while trying to evade police in Tyler early Tuesday morning.

According to a preliminary police report, a Tyler Police traffic officer attempted to stop 29-year-old Demarcus Keyshawn Johnson around 8 a.m. Tuesday morning for speeding in a school zone. Johnson did not stop, and the officer gave chase.

Johnson wrecked in the 3400 block of Garden Valley Road while attempting to evade the officer. He was sent to a local hospital with life-threatening injuries.

There is no word of his condition at this time. The crash remains under investigation.