Gavin Grey: UK correspondent on French police arresting over 20 suspects over cryptocurrency kidnappings - Heather du Plessis-Allan Drive

French police have arrested at least 20 people following a number of kidnapping plots targeting  cryptocurrency entrepreneurs and their families.

Authorities said the arrests were connected to investigations into a recent abduction attempt in Nantes - and another attempted kidnapping in Paris in May.

UK correspondent Gavin Grey unpacks the investigations. 

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