Two injured in small plane crash in South Australia

An ambulance
Emergency crews are responding to reports a light plane has crashed in South Australia. -AAP Image

Two people have been seriously injured following a light plane crash in rural South Australia. 

Emergency crews, including Major Crash officers, were called to Merriton, 170km north of Adelaide, just after 4pm on Sunday. 

It is believed the plane crashed into a field. 

South Australia Police said two people on board were seriously injured. 

Nearby residents have been warned to avoid the area as road closures are in place. 

Plane