It is not true that police will automatically attend if you make a silent 999 call - here is what needs to happen.
The man dialled 999 on New Year’s Day and was told the emergency service could not provide the test.
In some cases, victims of violence and other serious crimes face long delays as forces are unable to dispatch officers promptly.
The world's oldest emergency service - the UK's 999 - has turned 80 years old.
Emergency control rooms could soon be able to see live footage streamed by eye-witnesses at the scene of incidents.
Firefighters working as ambulance 'co-responders' do not have the training to deal with some medical emergencies they attend.
Health sector regulator says pilot scheme aimed at giving South East Coast Ambulance more time to respond to calls was 'poorly handled'.