The cardiac arrest suffered by Denmark midfielder Christian Eriksen during a Euro 2020 match has seen a seven-fold increase in sign-ups for the "heart runner" app, which allows emergency services to quickly direct citizen responders to assist heart attack victims.
Eriksen's life was saved when CPR was administered to him on the pitch and his heart was re-started with a defibrillator before he was taken to a hospital, where he is recovering.
The incident shocked millions of TV viewers around the world and prompted hundreds of Danes to sign up for the app as volunteers who will make themselves available in similar situations.
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