US Secretary of State John Kerry has told Democrat congressmen that they face a "Munich moment" as they weigh-up whether to approve strikes on Syria, NBC News reports.
The phrase is a reference to the 1938 Munich Pact that ceded control of part of Czechoslovakia to Nazi Germany - a moment that history has judged as the appeasement of Adolf Hitler that preceded the Holocaust and the Second World War.
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Alek Minassian, 25, has been charged with first degree murder.
The president, meanwhile, thanked the French leader for his “steadfast partnership” in the recent missile strike in Syria.