After the terrorist attack on a concert venue near Moscow, France has raised its security alert to the highest level, Prime Minister Gabriel Attal announced on Sunday. In a post on X, formerly Twitter, Attal said the step, which had been taken during a defence and security council meeting called by President Emmanuel Macron, came in light of the terrorist group Islamic Sate claiming responsibility for the attack and the threat to France. “Given Islamic State claiming responsibility for the attack and the threats hanging over our country, we have decided to raise the raise the Vigipirate postur…