What the papers say - February 4
Growing unrest in the Conservative Party over Theresa May's leadership and her handling of Brexit leads the broadsheets on Sunday.
Meanwhile several papers carry images of Hollywood actress Uma Thurman, who has alleged producer Harvey Weinstein assaulted her in a London hotel room around the release of Pulp Fiction in 1994.
The Sunday Times says MPs have warned the PM faces a coup that would see a "dream team" of "three Brexiteers" - Foreign Secretary Boris Johnson, Environment Secretary Michael Gove and Jacob Rees-Mogg - take over as prime minister, deputy PM and chancellor respectively if she keeps the UK in the customs union.
Leading Tory backbench Brexiteer Bernard Jenkin has told The Sunday Telegraph that Theresa May must defy Chancellor Philip Hammond and deliver a "clean Brexit" if she is to hold the Conservative Party together.
Meanwhile former Whitehall mandarin Lord Turnbull has told The Observer that Brexiteers who blame civil servants for trying to sabotage Britain's withdrawal from the EU are using tactics similar to those adopted by right-wing German nationalists in the 1930s.
The Mail on Sunday leads with a campaign for more help for veterans, with an appeal from the widow of a soldier who reportedly fought alongside Prince Harry.
A discovery of high pollution levels around UK ports has sparked health fears over the toxic emissions belched by ships using dirty fuel, The Independent reports.
Meanwhile the Sunday Express says Jeremy Corbyn has been accused of hypocrisy for using a "chauffeur-driven" diesel car despite warning of the dangers posed by the fumes.
The Sunday People said at least five new alleged victims have told police they were attacked by "black cab rapist" John Worboys.
A picture of Health Secretary Jeremy Hunt apparently taking a nap at a hotel is on the front of the Sunday Mirror - alongside a photo of protesters calling for more funding for the NHS.
The Daily Star Sunday reports on comments among Spice Girls fans when they spotted something in a photo of the band members, who have announced they plan to work together again.