They serve more than four million people across the region, and now two of those people have said a very special thank-you to East Midlands Ambulance Service for their life-saving skills.
Simon Bakewell from Leicester suffered a heart attack while out walking with his family, just weeks after having a heart transplant. His heart stopped beating - but an off-duty crew managed to help bring him back to life. Callum Watkinson reports.
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Sunny spells and showers for Friday afternoon.