Justice Secretary Chris Grayling has told the House of Commons he is to ask the Serious Fraud Office to investigate security firm G4S over the handling of its electronic monitoring contract after the company refused to take part in an additional forensic audit.
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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.
The CQC said that as of February 28, 43% were found not to be providing "safe" care in accordance to the relevant regulations.