France will summon U.S. Ambassador Charles Kushner to its foreign ministry on Monday after the American diplomat levied sharp allegations against his host country over its “lack of sufficient action” in response to the rise of antisemitism.

France has summoned the American ambassador to Paris after the diplomat, Charles Kushner, wrote a letter to French President Emmanuel Macron alleging the country did not do enough to combat antisemitism.

France summoned U.S. Ambassador Charles Kushner on Sunday after he published an open letter to French President Emmanuel Macron accusing the government of failing to effectively take action on anti-Semitism.