JERUSALEM—The Trump administration still intends to take military action against Syria if President Bashar al-Assad’s regime uses chemical weapons against civilians, White House national security adviser John Bolton said Saturday.

Mr. Bolton’s remarks, made en route to Israel, come weeks after President Trump announced he would withdraw U.S. forces from Syria. Mr. Bolton said there has been “absolutely no change” in Washington’s position against the use of chemical weapons despite the pending withdrawal.

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