US president Barack Obama has suggested it is "hard to imagine" that it would be in Britain's interests to leave the European Union.
Mr Obama said the US valued the presence of its close ally at the top table in the EU and he did not believe it would be good for the 28-member bloc for Britain to leave.
More top news
Special forces launched an early morning raid on Thursday to drive the so-called Islamic State away from a key military base.
The Government has faced repeated calls to suspend arms sales to Saudi Arabia after "repeated and serious breaches" of alleged abuses.
Stewart was found guilty of murdering his fiancee, children's author Helen Bailey, in a plot to get his hands on her fortune.