The BBC received responses from all 11 ambulance services in England
By Nick Triggle Health correspondent, BBC News
Ambulances are facing delays when they take emergency patients to hospital in England, the BBC has learnt.
Data provided by the 11 ambulance services showed all are experiencing difficulties handing over patients.
Hospitals are supposed to take charge of them within 15 minutes of the ambulance arriving, but some are missing this in over half of cases.
Waits of an hour are even