U.S. Ambassador to France Charles Kushner wrote an open letter asking French President Emmanuel Macron to tone down his criticism of Israel.

France has summoned the American ambassador over a letter alleging the country did not do enough to combat antisemitism.

Kushner’s allegations, made in a letter to French President Emmanuel Macron, are “unacceptable” and violate a convention that forbids foreign diplomats from interfering in the host country’s affairs,