Police searching for mystery cyclist involved in Midland hit-and-run

Police are still searching for a mystery cyclist who collided with a woman in Midland at the weekend before leaving the scene.

Officers from the major crash investigation squad allege the unknown male was riding on the footpath on Morrison Road around 4.40pm on Saturday when he hit a 64-year-old woman walking across Mathoura Street.

The man stopped to render assistance to the woman before riding away before emergency services arrived.

The injured woman sustained serious injuries and is in Royal Perth Hospital.

WA Police are appealing for anyone with information to contact Crime Stoppers.