A serious crash in Hixson is causing delays on Friday night.

It happened around 8:40 p.m. in the 1600 block of Thrasher Pike near Middle Valley Elementary.

Officials say three people are involved and at least one of those people were trapped in a vehicle.

One person is in critical condition and will be flown to a hospital by Life Force.

The cause of the crash is unknown and no names have been released.

Drivers are asked to avoid the area if possible.

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