Pavel Durov will be brought to court today after 97 hours of arrest. And an hour later, at 8 o'clock French time, he will be brought before a judge in court.
Elon Musk says the French government is interfering with freedom of speech.
French President Emmanuel Macron tweeted about the unusual step - this arrest is not political.
Pavel Durov is also a citizen of Russia, Saint Kitts, France and the United Arab Emirates. The Russian embassy wanted to help him. The UAE has requested France to provide it with all possible assistance.
