A multi-vehicle collision is causing major traffic disruption in Portadown.
Four vehicles have been involved.
The collision happened a short time ago on the stretch of the Northway between Asda and the High Street Mall.
Emergency services are on the scene.
A police spokesperson confirmed: “Motorists are advised of a four-vehicle road traffic collision on the Northway between Portadown and Craigavon. Please avoid the area if possible and seek an alternative route for your journey.”