A response under the Freedom of Information Act shows that during the same period, the service’s spending on non-NHS ambulances jumped by 382 per cent from £1.84m to £7.05m.
Yorkshire Ambulance Service (YAS) now says it will end its contracts with most of its private ambulance providers at the end of this month.
The decision to not use private services, excluding St John Ambulance, follows “a major recruitment and training programme”.