Image caption As MPs prepare to return to Parliament to vote on the prime minister's Brexit plan B, the i questions whether the UK can really leave the EU as scheduled in 60 days. There is no sign of backing for her deal, it suggests - listing some of the challenges the PM faces on its front page.

Image caption The Daily Express says Theresa May is warning MPs against backing an amendment to her plans that it says could keep the UK in the EU forever. The cross-party proposal is designed to allow MPs and peers to push back the Brexit date from 29 March.

Image caption Theresa May is planning to fight for a "freedom clause" from the Northern Ireland border "backstop" element of her Brexit plan, the Daily Telegraph reports. Writing in the paper, former foreign secretary Boris says sources have told him of the PM's intentions to persuade the EU to change their stance, a move he says could win her support from Eurosceptic MPs.

Image caption But the Times says Conservatives who backed the prime minister's plan when it was heavily defeated could now abandon her and push for a softer Brexit. The paper says if MPs block a no-deal and delay the UK's exit, a group of Tories intend to row in behind alternative plans.

Image caption The Sun reports that a Briton who was jailed in Egypt in 2017 for smuggling painkillers has been freed after winning a pardon. Laura Palmer, from Hull, had said she did not know the pills were illegal in the country.

Image caption The Guardian says the closure of more than half of all magistrates courts in England and Wales since 2010 has seen defendants, witnesses, police and lawyers travel sometimes more than 50 miles for local justice. Concern about the shutdowns - brought about partly by a move to hearings by video link and online pleas - is moving up the political agenda, it says.

Image caption The Daily Mail focuses on its campaign to clean up Britain. It reports the launch has got off to a flying start, with 14,000 volunteers registering for the month-long event - and the prime minister promising to take part in her constituency.

Image caption The Metro reports a government ultimatum to social media firms to tackle material that encourages self-harm and suicide. The health secretary said he could bring in a ban if they do not take more action, amid claims children were being exposed to harm on the "Wild West web".

Image caption The Daily Mirror reports its own investigation has found disturbing images and online posts promoting self-harm can be easily accessed. Campaigners are also calling for internet giants to be held to account, it adds.

Image caption The Financial Times says Beijing's envoy to the EU has attacked attempts to exclude Huawei and other Chinese companies from 5G mobile projects in Europe over security fears. The ambassador has said the firms are facing "slander" and "discrimination", it reports.

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Image caption The Daily Star reports comedian Russell Howard's revelation that the BBC once asked him to rewrite a joke about the Islamic State group - a request he could not understand.

Newspaper headlines: Front pages focus on key Brexit vote