The PM will ask the EU for Brexit to be postponed until 30 June with the option of a longer delay, sources tell the BBC.
The government's strategy is "silent on deterrence", a former chief inspector of constabulary says.
The Duke and the Duchess of Sussex signed a book of condolence at High Commission in London.
Police say a woman found in the Yorkshire Dales in 2004 is Lamduan Armitage, nee Seekanya.
The group called for "justice" over the deaths of three teenage boys killed by a dangerous driver.