YouTube footage of alleged chemical attack in Syria
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Victims of alleged Syrian chemical attack 'frothing at mouth'

US intelligence agencies believe "with varying degrees of confidence" that Syria has used chemical weapons against rebels, the White House has said.

It said the nerve agent sarin had been deployed on a "small scale", and did not say where or when it had been used.

Anthony Loyd, a journalist for the The Times, said he visited victims of the alleged chemical attack in hospital in Syria.

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