Irvine's high flats will play host to a full-scale fire simulation tomorrow featuring an army of emergency service workers and volunteers.The training exercise will see firefighters, police and the ambulance service carry out a role playing scenario in and around the disused buildings in Doon Court.More than 60 people — including volunteers — are taking part in the event, organised by the The Scottish Fire and Rescue Service.Fire chiefs say members of the public should not to be spooked by the