No clear cause of California air ambulance crash that killed 4…..Queensland ambulance union in Australia calls for task force to address violent attacks… Dec 13, 2015 Posted by admin In Headlline News No clear cause of California air ambulance crash that killed 4 Queensland ambulance union in Australia calls for task force to address violent attacks About the author ⁄ adminadmin Prev Tuesday, December 15, 2015 Next 12/14/2015