Kwinana Freeway closed northbound in Cockburn

Stock image.
Stock image.

THE Kwinana Freeway is closed northbound tonight at Beeliar Drive in Atwell after a serious crash.

The accident involved a truck and a motorcycle.

St John Ambulance is at the scene and a spokesperson said they were treating a 60-year-old male.

All lanes are closed and motorists are being advised to seek an alternative route.