Image caption The Guardian is among the papers to lead with the investigation into the Huawei leaks. The paper says that cabinet ministers have been offered an ultimatum - "confess or deny" whether they leaked the information about the decision to allow the Chinese telecoms company to help build the UK's 5G network.

Image caption Ministers have denied being the source of the Huawei leak, according to the Daily Telegraph. The news comes after Prime Minister Theresa May ordered an inquiry to find out how information about Huawei's role in Britain's 5G mobile network was leaked.

Image caption The i reports that the Defence Secretary Gavin Williamson and the Foreign Secretary Jeremy Hunt have both denied leaking the Huawei decision.

Image caption The Metro features warnings of further attacks in Sri Lanka. The paper reports that UK Foreign Secretary Jeremy Hunt has told "Brits to stay away" from the country, as it is "very likely" another attack will take place.

Image caption The Financial Times leads on the failed merger between Deutsche Bank and Commerzbank. The paper says that Germany's "two biggest lenders" bowed to shareholder concerns and employee resistance, which could allow for foreign "predators" to acquire Commerzbank.

Image caption The government could ban pupils from attending school if they haven't received measles vaccinations, reports the Daily Mirror. The paper says that following a fall in the number of children getting the jabs, Health Secretary Matt Hancock could introduce new rules to tackle the spread of "anti vaccine lies".

Image caption The Daily Mail leads with claims that Sir Mo Farah punched another athlete while in the gym. The paper reports that the Olympic medallist accused an Ethiopian athlete of "spying on his training regime", which sparked a confrontation.

Image caption The Sun leads on claims that National Lottery bosses are investigating reports that a £4 million winning scratch-card was obtained using a stolen debit cards. The paper says the Camelot Group are refusing to pay out the jackpot.

Image caption Parents who send their children to fee-paying schools save the tax payer money, according to the Times. The paper says that head teachers from fee-paying schools raised the "financial benefits" of fee charging schools in their annual report.

Image caption The Daily Express leads with a story about a mother who is stuck in a parental rights battle with her ex-husband, who is currently serving a sentence for abusing their children. The paper says MP Tonia Antonizzi is championing the mother, who says her former husband is preventing her from taking their children on holiday and selling the home they once shared.

Image caption In other news, the Daily Star says that writers behind the James Bond films are planning on making the star a "#MeToo feminist icon.

Newspaper headlines: Huawei leak probe and Sri Lanka warning