Irvine as emergency workers carried out a full-scale fire simulation.Firefighters, police and the ambulance service took part in the major role playing exercise on Wednesday which saw artificial smoke billow from a disused high-rise and dummy 'victims' rescued and 'treated' on site.More than 60 people — including volunteers — took part in the event at Doon Court which was organised by the Scottish Fire and Rescue Service.The scale of the operation — which prepped teams for similar future