"You could be grounded if you're 50," reads the headline in the Metro, which says the prime minister is considering a range of so-called "nuclear" options prevent a second wave of Covid-19.
All over-50s could be subject to a "personalised risk assessment" it reports, and potentially required to shield themselves at home.
The Daily Express says there is already a backlash at what's been termed an "ageist" plan.
The Daily Mail quotes a cancer specialist, Professor Karol Sikora, who insists the chances of an otherwise healthy 50-year-old suffering serious health consequences from infection are statistically very small.
He argues excluding this group from the workplace would condemn "all of us to permanent economic impoverishment". Ministers have said the suggested measures are "speculation".
"90-minute tests to transform the war on corona," reads the front page headline of the Daily Mail, in a story that also the main news for the Times and the i.
The faster test will be "transformative", according to the Mail. The Times says it is hoped the tests can be made available in schools and businesses, to provide regular screening.
The Daily Mirror and the Independent website both lead with calls for the MP who is being investigated over a rape allegation to be suspended from the Conservative Party.
They quote Labour's shadow minister for domestic violence, Jess Phillips, who says by failing to remove the whip, the Tories "are sending a terrible message from Westminster" that some people are still afforded protection.
Party officials say the decision not to suspend the whip will be reviewed when the police investigation is complete.
The Guardian reports the Labour left has praised the leader of the Unite union, Len McCluskey, for a threat to withdraw funding from the party.
He has ordered a review of its political donations following the decision by Sir Keir Starmer to pay damages to former staffers who made anti-Semitism claims.
The paper says three former shadow ministers under Jeremy Corbyn all told it they support the move. Mr McCluskey says paying damages was "an abuse" of Unite members' money.
The Chinese video-sharing app TikTok may be under threat in the US, but it's doubling down in the UK, reports the Times.
Britain's elite Russell Group universities are being enticed with £120,000 worth of free advertising credits, it says, to promote themselves on the site.
Cambridge University has already posted seven videos, while Glasgow University's profile features two students dancing in front of its cloisters, to a pop song called 'Chinese New Year'.
The Sun meanwhile reports the government has approved plans for the company to headquarter itself here: "London HQ deal to Tik off Trump" is its headline.
"Here comes the bride, 40 inches wide," is the headline in the Times, as it reports a church in Dorset has decided to remove some of its pews because the aisle is too narrow for obese couples to walk down.
Parishioners are up in arms, says The Daily Telegraph, which reports they only became aware of the move when they spotted the pews for sale on Facebook and in the parish magazine.
They have begun protests outside St Andrew's in Okeford Fitzpaine, with one banner reading "Save the pews from the devil within".
The church insists the creation of a "flexible worship space" will help spare wider couples' blushes.