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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A top temperature today of 13 Celsius (55F).
Mr Trump tweeted that Mr McMaster has done "an outstanding job & will always remain my friend." He said MrBolton will take over on April 9.
The committee wants a more stringent interpretation of air quality laws and for noise estimates to reflect a range of possible flight paths.