Firefox french translation, not perfect but usable.

Why was he under threat of a research mandate?

The Justice considers that the lack of moderation, cooperation with the forces of law and order and the tools offered by Telegram (disposable number, cryptocurrencies, etc.) makes it complicit in drug trafficking, paedo criminal offences and fraud.

This research mandate ran if, and only if, Pavel Durov were in the national territory. "He made a pellet tonight. We don't know why... Was this theft just one step? In any case, it is ready-made", slips a source close to the investigation to TF1/LCI. Ever since he knew himself persona non grata in France, Pavel Durov used to travel to the Emirates, to the countries of the former USSR, to South America ... He had travelled very little in Europe and avoided the countries where Telegram is under surveillance.

What now?

Investigators from the National Anti-Fraud Office attached to the Customs Directorate (ONAF) notified him and held him in police custody. He should be presented to an investigating judge this Saturday evening before a possible indictment on Sunday for a multitude of offences: terrorism, narcotics, complicity, fraud, money laundering, concealment, child-criminal content...