A girl (8) is in a critical condition after a crash at Perth Motorplex

MANDURAH Detectives are investigating a serious crash at Perth Motorplex, Kwinana yesterday.

An eight year old girl was driving a drag racing car for a test run at 12.20pm. At the end of the run she failed to stop and struck a cement barrier.

The girl received life threatening injuries and was taken to Rockingham General Hospital before being transferred to Princess Margaret Hospital. She remains in a critical condition.

Police would like to speak to anyone who was at the Motorplex who saw the crash, or has vision of the crash.

Anyone with any information is asked to call Police on 131 444 or Crime Stoppers on 1800 333 000.