Dan Jarvis will run to be the first mayor of South Yorkshire, PoliticsHome can reveal.

Dan Jarvis is preparing a dramatic bid to become the first directly-elected mayor of South Yorkshire, PoliticsHome can reveal.

An official probe has begun into the events surrounding Len McCluskey's re-election as general secretary of Unite.

Theresa May could face a leadership challenge within months if the Conservatives suffer a "meltdown" in the upcoming local council elections, senior MPs believe.

Embattled Ukip leader Henry Bolton has said the party will probably be finished if it ousts him as leader in a crunch meeting today.

Jeremy Corbyn has suggested he could support mandatory reselection of Labour MPs, saying politicians should "all be accountable, all of the time". 

The head of Labour's disciplinary body has been ousted by Momentum in the first major show of strength since Jeremy Corbyn supporters won control of the party's national executive committee.

A high-profile supporter of Jeremy Corbyn has warned Labour MPs they have the threat of mandatory reselection "hanging over them" if they do not back the party leader.

Centrist Labour MPs have said they could quit the party or trigger by-elections if leftwingers push for deselections. 

Jeremy Corbyn has tightened his grip on Labour after his supporters swept to victory in elections to the party's ruling body.

Len McCluskey has admitted that the early general secretary election he triggered caused "damage" to the union he leads.

World wide disquiet about Russian interference in Western democracies has cracked the debate wide open, exposing once and for all the total inadequacy of today’s legislation, says Shadow DCMS Minister Liam Byrne MP.

Former Cabinet minister Priti Patel has called for a "thorough investigation" into Remain campaigners' spending during the EU referendum. 

Toff and other young supporters and activists like her, with an ability to engage with people in a different way, have to be a part of our plans for the future, says Ben Bradley MP.

Jeremy Corbyn has insisted he has the energy to lead Labour into the next general election - thanks to a daily diet of porridge.

One in four Labour voters could switch to another party at the next election amid confusion over its stance on Brexit, according to a new poll.

Unite have been forced to deny that Len McCluskey is planning to quit after a former top judge was appointed to investigate claims his re-election as general secretary broke union rules.

Election watchdogs have fined the official Remain campaign and the Liberal Democrats thousands of pounds for breaching election spending rules in the EU referendum.

Theresa May is reportedly preparing to back down on plans to enshrine the date of Brexit in law amid fears she faces another embarrassing Commons defeat.

Labour bosses have been forced to delay the selection of a parliamentary candidate in a key marginal seat amid claims of "1970s-style backroom deals" by the Unite union.

Russia attempted to influence the EU referendum by spending less than 75p on three Facebook adverts, the social media giant has claimed.

PoliticsHome looks at this week's local council by-elections and predicts who's in, who's out, who's lost the plot.

Election watchdogs have launched an investigation into whether pro-Jeremy Corbyn campaign group Momentum broke election spending rules.

A key ally of Jeremy Corbyn has called for George Galloway to be re-admitted to the Labour party.