18 SA ambulances were left unstaffed on Saturday night due to COVID shortages, leading to a Level One incident being called -- one level below a Code Black which the Ambulance Employees Association said would be necessary for "a statewide disaster". South Australia today hit a record number of COVID hospitalisations at 306, an eight patient increase from the previous record of 298 on January 21. The state's peak in COVID-19 cases is expected to come later this week, with forecasts showing case n