At least ten people have died and 11 have been injured after a horror bus crash in Australia.

The tragic accident happened when a coach bus carrying guests attending a wedding, overturned at a roundabout on Wine Country Drive near the Hunter Expressway off-ramp at Greta.

The town near Hunter Valley is located 25 miles from Newcastle.

Police said that the 11 passengers were airlifted or taken by ambulance to the hospital while 18 others were uninjured.

New South Wales Police said in a statement: “Initial inquiries indicate 10 people have died.

“11 people were transported to hospital via helicopter and road, and 18 passengers are uninjured.”

The accident happened just after 11.30pm local time and its cause remains unknown.

A crime scene has been established which will be examined by specialist forensic police and the Crash Investigation Unit.