US dismisses Russian assertion rebels to blame for Syria gas attack
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US officials dismissed Russia's assertion on Wednesday that Syrian rebels were to blame for a poison gas attack rather than President Bashar al-Assad, and signalled possible unilateral action over what Donald Trump called an "affront to humanity."
The US president said the attack, which killed at least 70 people, many of them children, "crossed a lot of lines," an allusion to his predecessor Barack Obama's threat to topple Assad with air strikes if he used such arms.
It was not clear what, if any, action Trump would take.
