65% of red calls (immediately life-threatening – someone is in imminent danger of death, such as a cardiac arrest) to have a response within 8 minutes.
Ymateb i 65% o alwadau coch (lle mae bywyd yn y fantol, mae rhywun mewn perygl o farw’n gyflym, fel ataliad ar y galon) o fewn 8 munud.