Three of the world's most important leaders have been put in danger due to their security guards' use of a sports social media, Strava. The first part of Le Monde's investigation looks into how the French president can be tracked due to his bodyguards' love of running.

✅ Subscribe to our YouTube channel now (and ring the bell for notifications 🔔) 👉 http://www.youtube.com/subscription_c...

For more of our coverage on French and international news, culture and opinion, visit our website: https://www.lemonde.fr/en/