Here are some of today's national headlines:

EU Referendum: Boris Johnson compares EU's aims to Hitler's

Boris Johnson has compared the EU's aims to Hitler's, saying both involved the intention to unify Europe under a single "authority".

The pro-Brexit Tory MP said both the Nazi leader and Napoleon had failed at unification and the EU was "an attempt to do this by different methods". Labour MP Yvette Cooper, from the Remain campaign, accused the ex-London Mayor of playing "nasty, nasty games".

Ukraine's 'Unbelievable' Eurovision Victory

Ukrainian singer Jamala's song about Soviet dictator Josef Stalin's 1944 deportation of the Crimean Tatars has been crowned the winner of this year's Eurovision Song Contest.

The 32-year-old singer made a plea for "peace and love" as she collected her trophy after beating Australia - which competed for the second time after appearing as a guest last year - into second place and Russia into third.

Ukrainian President Petro Poroshenko hailed Jamala's "unbelievable" victory with her song about Russian-annexed Crimea.

PM Promises Not To Fail Children In Care

David Cameron has announced a "zero tolerance of state failure" overhaul of the care system with changes to adoption laws and social services in an article in The Sunday Times.

The Prime Minister wants to put an end to the tendency for children in care to fall into crime, the sex trade and homelessness in later life.

The measures, which are expected to be contained in the Queen's Speech on Wednesday, are part of the social justice legacy Mr Cameron has spoken about leaving in his last term at Number 10.

Memories At 90: Queen Releases Third Photo

Three pictures never seen before of the Queen have been released as celebrations to mark her 90th birthday continue.

They have been released ahead of a gala show tonight, which will look back on the Queen's reign, featuring celebrities including Gary Barlow and Kylie Minogue in the grounds of Windsor Castle.

Police officers concerned about poor staffing levels, poll shows

More than three quarters of police officers believe that police staffing levels are so low they cannot meet the demands placed on them, according to a new survey.

Of those polled, 84% said there were too few police officers to meet all the demands, while 78% said there were not enough officers in their teams for them to do their jobs.

The poll of 16,841 officers was conducted by the Police Federation of England and Wales in conjunction with the University of Nottingham in February this year.