Gérard Depardieu is among those to warn that radical Islamists are being allowed to act without restriction by the political establishment in France

More than 300 political leaders, intellectuals and celebrities have signed a manifesto claiming that French Jews have fallen victim to a form of ethnic cleansing perpetrated by radical Islamists, amid the indifference of the country’s elite.

Nicolas Sarkozy, the former president, Manuel Valls, the former prime minister, Charles Aznavour, the singer, and Gérard Depardieu, the actor, are among those who have thrown their weight behind the document.

It says that France has become “the theatre of murderous antisemitism” with 11 Jews having been “assassinated” because of their religion since 2006.

“French Jews are 25 times more at risk of being attacked than their Muslim counterparts,” it adds. “Ten per cent of the Jewish citizens of the Paris region . . . have recently been forced