The exit to South Street southbound has been closed.
Main Roads have issued a warning for people travelling on Kwinana Freeway.
There is smoke covering both directions of the freeway at South Street, Leeming.
Emergency services are on site.
Main Roads said to use extreme caution if you're in the area.
#KwinanaFwy both directions at #SouthSt, Leeming - EXTREME CAUTION ADVISED - smoke over road #perthtraffic
— Main Roads WA (@Perth_Traffic) January 8, 2018
Entries for 2026 Castaways Sculpture Awards now open
Meadow Springs man pleads guilty to threatening to kill PM and NSW Premier
Person critically injured in North Dandalup crash
Iconic sports broadcaster Dennis Cometti dies aged 76
Teen killed while crossing Warnbro Sound Avenue remembered as cheeky, adventurous boy
Firefighters spend night battling bushfire near Lark Hill Sportsplex
Teen boy killed after being struck by two cars while crossing road in Warnbro
Free supplies, health checks, advice for Mandurah pet owners
Rockingham Detectives ask for public's help to find wanted man