Police in Ferguson fired smoke and tear gas canisters into a crowd of defiant protesters who gathered in the St. Louis suburb where a black teen had been shot by a white police officer while walking down the street.
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Philip Hammond has dismissed concerns that abolishing stamp duty for first-time buyers will push up house prices.
Elsewhere it will be largely sunny, though with gusty winds at times, and a few showers likely in places.
Heavy rain has caused widespread flooding and travel disruption across north west England and North Wales.