One woman has died and at least 18 people have been injured after a bus flipped on its side north-west of Melbourne.
Around 30 people were onboard the bus when it flipped on its side on the Sunraysia Highway just after 3pm, according to authorities.
It was travelling near Moonambel at around 3.10pm.
Victoria Police confirmed one passenger died at the scene.
Another 18 people have required medical attention, with at least three of those sustaining serious injuries.
Police have warned that the Sunraysia Highway will be closed for some time while police investigate.