If the West Australian government ends up in a legal battle with building tycoon Len Buckeridge over the disastrous Perth Arena project, it will be thanks to the mess left by the previous Labor government, Premier Colin Barnett says.

If the West Australian government ends up in a legal battle with building tycoon Len Buckeridge over the disastrous Perth Arena project, it will be thanks to the mess left by the previous Labor government, Premier Colin Barnett says.