Ambulances are becoming ‘wards on wheels’ as one in three patients (23,999) taken to hospital last week waited at least half an hour, instead of the 15-minute target, to be handed over to A&E.Ambulances are becoming ‘wards on wheels’ as one in three patients (23,999) taken to hospital last week waited at least half an hour, instead of the 15-minute target, to be handed over to A&E.Read MoreHealth News | Mail Online