Patients are waiting for hours after dialling 999.
Then when an ambulance finally arrives, the sheer lack of beds means they are often left stuck outside hospitals waiting for space to open up.
The pressures on the Welsh Ambulance Service have got so acute that military personnel have already been drafted in to help.
And all this, before winter sets in.
We have been out with one paramedic crew in south Wales as they try to cope with the unprecedented crisis.