After a cricketer was saved by other players when he suffered a heart attack on the pitch in Nottinghamshire, this demonstration from the East Midlands Ambulance service shows exactly how to do the same.
Ian Wakefield was batting for Rolleston CC when he collapsed, before three opponents used CPR until an ambulance arrived.
Watch the video above to see how to perform CPR.
More top news
Chilly, bright start. Rain later.
Bright at first, but turning wet and windy later.
Who's in charge and what happens if there's an international crisis? Here are answers to key questions about the dissolution of parliament.