A carpark stoush at Crown Perth casino ended with a man being being taken to Royal Perth Hospital last night.
A WA Police spokesman said officers were called to the carpark around 8pm in relation to an injured man, who was believed to have a stab wound.
"Police attended and confirmed a 21-year-old man had received a minor injury, consistent with a stab wound," the spokesman said.
"It is believed he received the injury after an altercation with another man relating to a parking bay."
St John Ambulance were called and the victim was taken to Royal Perth Hospital for treatment to his injury.
Kensington detectives are calling for witnesses.
Anyone with information regarding this incident is asked to call Crime Stoppers on 1800 333 000.