Police incident at Flaxmill Bridge on Southern Expressway causing peak-hour traffic chaos

Cars are backed up bumper-to-bumper on the Southern Expressway with emergency services responding to a police incident.

A police incident on the Southern Expressway is causing peak-hour traffic chaos with cars backed up bumper-to-bumper.

The incident started at 4:20pm, with police and emergency services called to the Flaxmill Bridge at Christies Downs.

At 6pm, police said the incident was still ongoing.

A police incident on the Southern Expressway is causing peak-hour traffic chaos.

The Southern Expressway is closed off between Sherriffs Rd at Lonsdale and Beach Rd at Morphett Vale.