Public safety officials have explained to the family of a Florida man why they cannot recover his body after he was sucked into a sinkhole.
Our data has come back, and there is absolutely no way we can do any kind of recovery without endangering lives of workers.
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The chancellor now faces the prospect of forming a minority government or calling for a snap election.
The 73-year-old said a return is unlikely "given the politicised atmosphere that seems to have afflicted our set."
Chancellor Philip Hammond said the UK will make a financial proposal to the EU in the next three-and-a-half weeks.