Islamic State claimed responsibility for the Berlin killings though U.S. officials say they had seen no evidence that the militant group had directed the attack. The assassin in Turkey shouted about the war in Syria as he shot dead the envoy from Moscow, which aids Syrian President Bashar al-Assad against rebels in that country's civil war. Trump was asked by reporters outside his Mar-a-Lago resort in Palm Beach, Florida, if Monday's violence would affect his consideration of a ban on Muslims entering the United States or of a registry for immigrants from Muslim countries. "You know my plans.

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