Image caption The Times reports on plans by ministers to force employers in both the public and private sector to reveal their ethnicity pay gap. The proposals will oblige bosses to show how much employees from ethnic minorities are paid compared with their white counterparts. The main image shows tennis star Rafael Nadal cleaning up after fatal flash floods in Majorca.

Image caption The Daily Mail also reports on the ethnic salary gap, claiming the radical plans to tackle racial inequality mirror rules introduced earlier this year to expose the gender pay gap. However critics have called it a "headline-grabbing measure that will raise costs to business".

Image caption The Daily Telegraph says Theresa May will ask her cabinet on Thursday to agree a backstop plan that would keep Britain in a customs union with Brussels until a permanent trade deal can be agreed. The DUP have reacted angrily, saying they will vote down the Budget if the PM compromises over a hard border. The 10 Democratic Unionist MPs - whose support the prime minister needs to stay in government - have branded the backstop plan a "sell-out".

Image caption The i also leads with the threat by the DUP to vote down the Budget later this month if Theresa May does not compromise on her Brexit plan. Some argue that the Unionists - who, like the Brexiteers, are unhappy with the current Irish border "backstop" arrangements - could potentially bring down the entire government.

Image caption The latest chapter in the inquest into the death of the man who carried out last year's Westminster terror attack leads the Daily Express. It tells of the confrontation between terrorist Khalid Masood and the police bodyguard who shot him dead. It says the marksman's heroic actions "put his boss to shame" - as a Scotland Yard chief sat locked in a nearby car.

Image caption "Less than Buttons" is how much the Daily Mirror says Cadbury's US owners - Mondelez UK Ltd - paid in corporation tax last year, despite profits of £185m, reports the Daily Mirror. It quotes shadow chancellor John McDonnell as saying the situation is "outrageous".

Image caption The Sun keeps its focus on Strictly Come Dancing contestant Seann Walsh and his professional partner Katya Jones after the pair made what it calls "unconvincing apologies" on BBC Two's It Takes Two following their well-publicised "drunken snog".

Image caption The Guardian reports that beef consumption in the West needs to fall by 90% to avoid dangerous climate change. Analysis of the food sector's impact on the environment has found that a huge reduction in meat-eating is vital if we are to feed a growing population in the future. The front-page picture features the late Prof Stephen Hawking as his latest scientific paper is published.

Image caption James Murdoch, formerly chief executive of 21st Century Fox, is the frontrunner to succeed Elon Musk as the chairman of Tesla. Mr Musk previously agreed to step down over tweets he posted about taking the firm private. Mr Murdoch, a friend of Mr Musk, joined Tesla last year as one of two new independent directors.

Image caption The Metro leads with a tale of a botched police raid on a branch of NatWest in Birmingham. Armed police were called to the bank after a passer-by saw staff crouching behind their desks. But it turned out to be an innocent game of hide-and-seek - part of a team-building exercise by staff.

Newspaper headlines: Ethnic pay gap, and DUP's Brexit threat