An accident on Monday morning in Aurora on the streets of Chambers and Parker involving four cars. Courtesy of the Arapahoe County Sheriff’s Department.

A serious four-car accident closed the intersection of Parker and Chambers Streets Monday morning, the Arapahoe County Sheriff’s Department said.

The Colorado Department of Transportation does not have an estimated time for the reopening and drivers are encouraged to choose alternate routes.

At least one person was seriously injured in the crash. Officials were working to get a person out of a vehicle.

It was not immediately known what caused the wreck. The crash happened before 6 a.m.

This is a developing story and will be updated.