The UK government is drawing up legislation that would tear up a key part of the Brexit withdrawal agreement reached with the EU a year ago. News of the dramatic move comes as the two sides prepare to resume talks over a potential trade deal on Tuesday. Our political correspondent Chris Mason says the new law would remove the requirement for the UK to check goods crossing from Great Britain to Northern Ireland. That customs obligation aimed to prevent the return of a hard border between Northern Ireland and the Republic - and many fear peace could be threatened if it's abandoned.

No 10 insisted the new law was a "sensible fall-back option" in case talks fail, but Labour said the government was playing "a dangerous game". Ireland, too, described the plan as "very unwise". BBC Europe editor Katya Adler says it's certainly a political grenade that will provoke a strong reaction from other nations. Read more analysis from Katya.

Time is ticking down towards the end of the post-Brexit transition period which has kept the status quo in place since the UK's formal departure in January. Boris Johnson is expected to say later that if no agreement on a trade deal is reached by 15 October, both sides should "move on". The key sticking points are fishing and state aid - find out why.

The public inquiry into the Manchester Arena terror attack begins later, more than three years after a suicide bomber killed 22 people. It will explore the circumstances leading up to the incident, what was known about the bomber, Salman Abedi, and whether his actions could have been prevented. The emergency response will also be scrutinised - an earlier review concluded there had been failings.

The families of the bereaved will give personal testimony about their loved ones - all named and pictured here. Lisa and Andrew Roussos are among those looking for answers. They lost their eight-year-old daughter Saffie and want lessons to be learned.

Train operators in England and Wales will lay on more services from today, as the government encourages people back to work. Passenger numbers are at about one-third of pre-pandemic levels, but ministers say a more enthusiastic return to the office is vital for the health of the economy and the survival of city centres. They also have a more personal financial incentive because the government has been covering the huge cost of running the railways without passengers.

BBC transport correspondent Tom Burridge says rail bosses have a delicate balance to strike. They want more passengers back, but don't want a flood of commuters, so capacity will be increased only in certain areas at key times.

On Sunday, the UK recorded the highest number of new coronavirus cases on a single day since 22 May. The spike so far appears to be predominantly among young people, but the fear is that it subsequently spreads to the older and more vulnerable as well.

Brexit is back on the front pages on Monday. An unnamed source tells the Financial Times the plan for new legislation would "clearly and consciously" undermine the agreement Boris Johnson has already signed to avoid a hard border between Northern Ireland and the Irish Republic. The Daily Telegraph sees it as the PM moving decisively to break months of deadlock between negotiators. The Times says he will insist the UK can still "prosper mightily" if it leaves without a deal. Elsewhere, the i leads with a vow from Mr Johnson to crack down on disruptive environmental protests after Extinction Rebellion activists delayed the distribution of several national newspapers on Saturday. Writing in the Daily Mail, Home Secretary Priti Patel says she will be exploring all options - including new laws - to make sure police have a "full suite of tools" to tackle "this behaviour". Finally, a former NHS public health director tells the Guardian ministers have "lost control" of coronavirus just as universities prepare to return and more people are encouraged to go back to the office.

Filters have become a popular way to alter photographs, especially on social media, but many people, including make-up artist and model Sasha Pallari, believe it's a dangerous trend. She recently launched the hashtag #filterdrop in the hope of seeing more real skin. Elsewhere, Lebanon's small, cash-strapped national rowing club was destroyed in the Beirut port blast, but the teammates hope to continue with their Olympic dreams. And finally, BBC Ideas examines the concept of creativity and why setting some limits on your thinking can actually be helpful.

From elsewhere