Nine out of 10 ambulance trusts in England now at highest level of pressure

NHS crisis: Why is Britain's health service falling apart?

Ambulance service facing extreme pressures and overwhelming volume of calls

On the brink': ambulance services in England face £14m rise in fuel bills, NHS

England rushes to discharge hospital patients to ease bed-blocking crisis

Heart attack victims face record 90-minute waits for ambulance

10 reasons 911 ambulance patient transport is declining

German ambulance services overwhelmed by calls, short staffing - World Socialist Web Site

NHS Crisis: UK Health Service at Breaking Point with Staff Shortages - Bloomberg

The NHS England ambulance crisis explained in 7 charts

East of England Ambulance Service declares critical incident - BBC News

Ambulance response times in East of England now some of the worst on record