Emergency services are at the scene of a serious crash at the intersection of Flintoft Mouse Point Road and State Highway 7.

Two vehicles have collided and one person has been seriously injured.

Police were notified at 8.48am.

The Serious Crash Unit will be on site to examine the scene and the road will be closed for some time.

There are diversions in place down Flintoft Mouse Point Road and Rotheram Road South.