"The incident involved approximately 600 sheep," they said.

"Approximately 200 sheep died as a result of the accident. The remaining approximately 400 sheep have been moved to a nearby property and have been assessed by Agriculture Victoria staff."

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3pm: A patient has been taken to hospital via ambulance after this morning's crash on the Horsham-Noradjuha Road.

An Ambulance Victoria spokesperson said that paramedics were called to the Lower Norton crash site at 8:20am.

A man aged in his 30s was taken to Wimmera Health in a stable condition with upper body injuries.

A spokesman from Victoria Police said an investigation into the cause of the crash is ongoing and no charges had been laid.

EARLIER, 10:10am: The Department of Transport have issued a transport alert to motors travelling near the crash site.

Horsham-Noradjuha Road is closed in both directions between Carmichaels Road and Three Bridges Road following a truck rollover.

Motorists should use Hamilton-Natimuk Road or the Henty Highway to avoid the closure, allowing extra time for their journey.

The scene is under the control of emergency services. Horsham-Noradjuha Road will open as soon as it is safe to do so.

Real-time traffic conditions are available at traffic.vicroads.vic.gov.au or via the VicTraffic mobile app. The latest public transport information and network status is available at ptv.vic.gov.au or in the PTV mobile app.

EARLIER, 9:35am: Emergency crews are on the scene after a truck has rolled over on the Horsham-Noradjuha road, about 15km south-west of Horsham.

The Wimmera Mail-Times understands about 200-300 sheep were on the truck.

Police, SES, Ambulance, and CFA are all in attendance. VicEmergency website lists five vehicles are at the scene.

The Wimmera Mail-Times believes the driver sustained minor injuries.

Police are investigating the cause of the rollover.

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