Keir Starmer has received a huge boost in his bid to become Labour leader after the UK's biggest trade union gave him its support.

Rosena Allin-Khan says she would offer NHS workers a subsidised subscription to the Labour party if she was to win the deputy leadership race.

The Prime Minister and Labour leader went head to head for the first PMQs since the election. Here's how it all unfolded on our legendary liveblog.

Lisa Nandy and Jess Phillips have warned Labour MPs that the party must make a decisive break from the Jeremy Corbyn era if it is to win power again.

Labour has urged Conservative MPs to take "a moral stance" on the plight of child refugees as the party launched a bid to reinsert protections to the Government's Brexit bill.

Britain and the EU must thrash out a trade deal by the end of 2020, Boris Johnson will tell the new president of the European Commission.

Rebecca Long-Bailey has given Jeremy Corbyn "10 out of 10" for his leadership of the Labour Party.

Jeremy Corbyn has accused Boris Johnson of being "scared" of upsetting US President Donald Trump after he failed to show up to a Commons debate on the situation in Iran.

John McDonnell has thrown his weight behind Richard Burgon's bid to be Labour's next deputy leader.

What lessons Labour learns from its general election humiliation will define the contest to replace Jeremy Corbyn.

Dominic Cummings is risking a "completely unnecessary" war with the civil service, Britain's former top mandarin has warned.

Government hubris over civil service reform risks unnecessary conflict, a reform programme must recognise the strengths as well as the weaknesses and engage civil servants in the process of change, writes Lord Kerslake. 

Every candidate running to be the next Labour leader has rejected plans by Jeremy Corbyn allies for a radical shake-up of the party before he steps down.

Rosena Allin-Khan and Ian Murray have become the latest Labour MPs to enter the contest to become the party's deputy leader.

Rebecca Long Bailey has told Labour members she can be "trusted with our socialist agenda" as she became the sixth MP to enter the party's leadership race.

Trade unions have hit out at plans by allies of Jeremy Corbyn to carry out a major reorganisation of the Labour Party before he quits as leader.

Jeremy Corbyn's successor as Labour leader will be announced on 4 April, party bosses have announced.

Labour's ruling National Executive Committee met on Monday to finalise the rules for what promises to be a bruising contest as the party picks Jeremy Corbyn's successor after its election drubbing. But how exactly will the battle work? Matt Honeycombe-Foster digs out the rulebook

The Labour Party must "win or die", Angela Rayner has warned as she unveiled her pitch to become its new deputy leader.

Jeremy Corbyn backers are being warned not to “skew” the rules around the Labour leadership contest that could block supporters of moderate candidates voting in the race.

The husband of jailed charity worker Nazanin Zaghari-Ratcliffe has called for an urgent meeting with Boris Johnson in the wake of growing tensions with Iran.

Allies of Jeremy Corbyn are planning a major re-organisation of the Labour Party before his successor is appointed, PoliticsHome has learned.

Boris Johnson has said "we will not lament" the death of Qasem Soleimani as he finally broke his silence on the Iranian military chief's assassination by the USA.

Jess Phillips has suggested she would back re-joining the European Union if she wins the Labour leadership contest.