France has summoned the US ambassador to Paris after he accused Emmanuel Macron of failing to fight anti-Semitism.

The new American envoy, Charles Kushner, said that France was not doing enough to protect its Jewish citizens, a charge the government in Paris said it “firmly refutes.”

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,