North Dandalup crash leaves one dead

A man has died following a horrific crash in North Dandalup.

The accident happened on Del Park Road about 1.5 kilometres from the South Western Highway intersection about 6.25am on Friday.

Involved in the crash was a road train and a Hino truck.

Part of Del Park Road is closed to motorists, who are advised to avoid the area.

Investigations are under way.