Newspaper headlines: Brexit talks row, police 'sex pests' and Strictly 'virus'
Theresa May's call at her EU summit news conference for a "mature and co-operative" relationship with Europe is given prominence in Saturday's papers.
"May tells EU bosses: grow up!" is the main headline in the Daily Express.
The Times says that judging by the brevity of Mrs May's contribution at the summit, and the cool reception accorded her by fellow heads of government, Britain and its partners are far from understanding each other's positions, let alone reaching terms for an amicable divorce.
And reports that the European Commission's lead Brexit negotiator, Michel Barnier, had suggested that the "divorce" talks should be conducted in French, raise hackles.
The Guardian points out Mr Barnier speaks fluent English and had many encounters with bankers and regulators in the City of London during his previous job as the European Commissioner for financial services.
Commentators and leader writers also mark Theresa May's 100 days as prime minister.
For Peter Oborne in the Daily Mail, she has unveiled a new politics that puts the interests of a sovereign Britain and its people before greedy corporations and arrogant elites.
But, he adds, she faces terrifying challenges in her mission to manage Britain's greatest post-war political and economic upheaval. He says that, although supported by the majority of voters, Brexit is viscerally opposed by the financial, social and economic establishment.
The Daily Mirror's front page has a picture from Mosul in Iraq, showing a huge pall of smoke rising over the city held by the so-called Islamic State group since 2014
In an accompanying dispatch from the front line, as a coalition of troops are beginning an advance on the city, its correspondent Chris Hughes describes hearing the deep, thumping booms of suicide bombers, rockets, missiles, tank shells, artillery and coalition jets screaming as they deliver their payloads.
"In almost 20 years of covering conflict across the Middle East and Afghanistan", he says. "I have not witnessed such an unleashing of violence on one area by so many armies and air forces".
Meanwhile, nearly all the papers have a picture of a Russian warship passing the White Cliffs of Dover on its way to the Eastern Mediterranean as part of its operation in Syria.
For the Times, it was a humiliating sight: A nation determined to flex its muscles and perhaps even risk a wider conflagration, demonstrating that we in Britain are mere spectators peering through binoculars at its formidable aircraft carrier.
For its lead, the Times says an investigation by the paper has found that police forces in England, Scotland and Wales are looking at more than 150 cases of alleged sexual misconduct by officers.
According to the paper, many stand accused of harassing, sexually assaulting or raping women after they reported a crime. It says victims have been targeted in police stations, patrol cars, home addresses and hotel rooms.
Elsewhere, there is continuing frustration about the Home Office's handling of child migrants arriving in Britain from Calais.
The Daily Telegraph says officials are only challenging their age if they look over 25.
In the view of the Daily Express, the supposedly compassionate idea of bringing children over to join their relatives has turned into a farce with a complete unwillingness by those in charge to address the flaws in the scheme.
The Daily Mail reports that a huge screen was put up outside a London immigration centre on Friday in an attempt to prevent anyone seeing the latest arrival of child migrants.
Match of the Day presenter Gary Lineker is the centre of much debate about his comments earlier this week on the Calais migrants.
He had said that people questioning the ages of the children arriving in the UK were "hideously racist and utterly heartless".
It is 28,000 miles, starting and ending in Dorset. The longest stretch without any pubs is the 270 miles from Durness in north-west Scotland to Shetland.
And how long will the crawl take? If you walk between each one, stay only 30 minutes and allow for eight hours sleep a night... it can be completed in three years and four months.
Finally, Brendan Cole's decision to drop out of the latest Strictly Come Dancing contest because of a chest infection makes the lead in the Daily Star and the Sun.
The Sun says five more professional dancers are experiencing flu-like symptoms. It reports producers have "got the jitters" because of a virus sweeping the show.