Police are investigating a two-car crash in North Dandalup.
An Isuzu D-MAX utility heading north along Hopelands Road and a Holdon Colorado utility travelling south collided around 7.45pm on Sunday, July 21.
The Isuzu then rolled onto its side.
It is understood no one was seriously injured in the crash.
Police say the two occupants of the Isuzu fled the scene, one of them, a man in his 30s, was found a short time later.
"The investigation into the crash, including who was driving the Isuzu at the time of the crash, is ongoing," a WA Police spokesperson said.
Anyone with information regarding this crash, or who saw either of the vehicles involved being driven in the time leading up to the crash, is asked to call Crime Stoppers on 1800 333 000 or report the information online at www.crimestopperswa.com.au.