Candidates have until the end of Thursday to secure enough backing from Labour MPs to take part.
Most Recent Articles
Nato scrambles jets as Russia targets Ukraine near Polish border
Russian attacks target western Ukrainian areas close to the border with Poland, a Nato country.
Why are young people protesting in Nepal and what are their demands?
Protests in Nepal turned deadly after thousands of youngsters marched against the blocking of social media platforms.
Alleged abusers may get share of Jesus Army wealth
Survivors of the cult accuse members of feathering their nests.
Trump says strike on Doha 'does not advance Israel or America's goals'
The US president says he feels "very badly" about the location of the attack and calls Qatar a "close ally".
More children are obese than underweight, says Unicef
Traditional, healthy diets are being replaced by ultra-processed foods, often high in sugar and additives, the UN agency says.
Alzheimer's blood test could 'revolutionise' diagnosis
Scientists leading the trial at University College London believe the blood test could improve the accuracy of diagnosis of the disease to more than 90%.
See stunning shots of Chappell Roan, Charli XCX and Doja Cat up for music photo award
Abbey Road studios' nominees for it Music Photography Awards had 20,000 submissions from 30 countries.
The Papers: 'Qatar fury' and 'Trump condemns Israeli air strike'
Israel's strike on Doha dominates the headlines on Wednesday.
A new law lets some Ukrainian men leave the country. But will it hurt the war effort?
A new law says men under the age of 23 can now leave the country. But why has Ukraine brought it in?
Contactless card payments could become unlimited and £100 cap scrapped
Card providers would be allowed to set their own contactless card payment limit, under the regulator's plans.
British racing on strike - what's the background?
British horse racing is staging a one-day strike on Wednesday over a proposed rise in betting taxes.
Turkey's 'tough guy' president says he's tackling corruption. Rivals say he's silencing opposition
Erdogan's critics claim that he has become a latter-day Sultan, dismantling human rights, cracking down on dissent and weaponising the courts.
Approving China 'mega' embassy would be unlawful, UK government told
Opponents are battling China's plan for a mega embassy in London's historic Royal Mint Court.
British racing on strike - what's the background?
British horse racing is staging a one-day strike on Wednesday over a proposed rise in betting taxes.
British racing on strike - what's the background?
British horse racing is staging a one-day strike on Wednesday over a proposed rise in betting taxes.
What do we know about alleged Trump signature on Epstein letter?
An image of a "birthday letter" to Jeffrey Epstein, allegedly signed by Donald Trump, has been released - but the White House says it is a fake.
Finest England night leaves Tuchel with selection dilemmas
England thrash Serbia 5-0 to give Thomas Tuchel his best night since he took charge - but that comes with big selection decisions, says chief football writer Phil McNulty.
Bellamy builds for Wales' future in 'toughest' week
Craig Bellamy reflects on his "toughest" week as Wales boss - and hopes for a World Cup rematch with Canada after their tetchy friendly match.
'I didn't know I was the first' - Muslim Spence makes history with England
BBC Sport explores what Djed Spence becoming England's first Muslim footballer means to the community in the UK.
Vaccine to curb chlamydia epidemic decimating koalas approved
Thousands of koalas have died from the disease, with some estimates suggesting only 50,000 remain in the wild.