The U.S. warns Assad: We'll hit you again if you don't follow our orders.

The “would be ill-managed if you ignore the message of the international community, so we are ready for everything in the future”, Mattis told reporters, to add that he has seen universal support for what he called “an hated but necessary”, on Assad's chemical weapons locations.

Mattiss' comments were made after the meeting he carried out with his Japanese counterpart, Isunori Onodera, at the Pentagon.

Minister Onodera said the attack on Assad's targets has spoken of the international community's commitment to confronting the dangers of weapons of mass destruction, the Anadolu Agency reports.

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