The US Secretary of State has claimed to have seen "raw data" suggesting that Assad's regime has used chlorine gas in attacks in rebel-held regions of Syria, according to Reuters. Although he also said that the data hadn't yet been fully verified.
Kerry, speaking in London, said the United States had agreed with its allies to ramp up support for the Syrian opposition but declined to say whether that would include arming them.
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A 25-year-old man has been arrested in Newport, South Wales, in connection with the Parsons Green terror attack, Scotland Yard said.
A milder night ahead with some cloud low enough to be misty in places.
Tata Steel and Thyssen Krupp will formally announce the merger of their European steel operations on Wednesday, ITV News understands.