Telegram CEO, Pavel Durov, is under investigation over criminal activity on the messaging app. He spent four days in detention after being arrested when arriving in France and is now barred from leaving the country.

Sumi Somaskanda speaks to the BBC's Cyber Correspondent, Joe Tidy about what Durov's arrest means for Telegram. And what it signals about future moderation on social media platforms...and the limits of free speech.

The Global Story brings you trusted insights from BBC journalists worldwide. We want your ideas, stories and experiences to help us understand and tell #TheGlobalStory. Email us at theglobalstory@bbc.com You can also message us or leave a voice note via WhatsApp on +44 330 123 9480.

Producers: Richard Moran and Alix Pickles.

Sound Engineer: Stephen Bailey.

Assistant Editor: Sergi Forcada Freixas.

Senior Editor: Richard Fenton-Smith.