Scotland's papers: Russia 'ups the ante' and whisky brand scams
The tensions between Russia and the United States over the war in Syria make the front page of the Scottish Daily Mail. It reports that Russian and Iranian forces have warned Donald Trump they would retaliate with military action if he launched more airstrikes on Syria.
The US secretary of state, Rex Tillerson, has accused Russia of "providing cover" for war crimes committed by Bashar al-Assad's Syrian regime, according to The Scotsman. It follows the deaths of 87 people in a deadly chemical attack in the town of Khan Sheikhoun.
The Scottish edition of The Times reports that Britain is pushing for fresh sanctions on Russia if it fails to cut ties with President Assad.
A mocked-up picture of a gagged Boris Johnson features on the front page of The National. It claims the foreign secretary suffered "humiliation" after giving in to American demands to cancel a meeting with his Russian counterpart.
Meanwhile, The Herald leads with news that the Scottish whisky industry has "declared war" on a mysterious businessman who claims to represent some of the biggest spirit brands. It reports that a single entrepreneur has formed nearly 100 shell businesses cloning brands such as Balvenie, The Macallan, Glenfiddich, Smirnoff and Bacardi.
The Scottish Sun reports that intimate photos of an Aberdeen mother who is facing jail for abducting her two sons feature on an adult website. It goes on to say that Lisa Marie Matheson has defended her work for the website.
Theresa May is being urged to adopt a five-year freeze on unskilled migrants by Brexit group Leave Means Leave, according to the Scottish Daily Express.
The Courier reports on treatment delays at Ninewells Hospital in Dundee after a former police officer waited a year to see a consultant after going to his GP with chest pains.
The death of seven-year-old Keiran McQuillan, who was hit by a van in Elgin on Friday, makes the front page of The Press and Journal.
The Daily Star leads with the latest on Spice Girl Mel B's divorce from Stephen Belafonte.