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.
More top news
The singer had been tweeting in support of migrants when she was bombarded with abusive messages.
Ministers are reportedly considering plans in a bid to lower inward migration.
In a tweet on Saturday, the US president didn't give a reason for his absence but said he wished"everyone well and have a great evening".