National hero King Arthur and Arras fallen
The Sunday Mail reports that a man's DNA profile has been discovered by police leading the hunt for Emma Caldwell's killer.
The Scottish Sun on Sunday says gleeful Scots cleaned up at the bookies as One For Arthur romped to a historic Grand National victory.
Scotland on Sunday features commemorations for the Battle of Arras, which began 100 years ago today.
The Sunday Herald leads with a report that 50 senior politicians from around Europe have said Scotland would be "most welcome" to join the European Union if it separated from the UK.
The Sunday Post says armed police are embroiled in a bitter legal battle over pay for guarding the Royal Family while they holiday in Scotland.
The Mail on Sunday reports that the Kremlin has launched a furious attack on Boris Johnson after he cancelled a Moscow summit on the Syrian war.
The Sunday Times says Britain and America will this week directly accuse Russia of complicity in war crimes in Syria and demand that Vladimir Putin pull the rug from Bashar al-Assad's blood-soaked regime.
The Sunday Express carries details of an opinion poll which suggests that most Scots think jobless EU migrants should be sent back to their home country after Brexit.