Dan Jarvis will have to give up his Westminster seat if he becomes the mayor of South Yorkshire, Labour’s ruling body has declared.

Jennie Formby has been appointed Labour's general secretary, in a move which further strengthens Jeremy Corbyn's grip on the party.

Rebel Tory MPs have called off their rebellion over fishing rights during the Brexit transition following a 10-minute meeting with Theresa May.

MPs have ordered Facebook boss Mark Zuckerberg to face questions in Parliament in the wake of the Cambridge Analytica data scandal.

Downing Street has questioned the conduct of Russian election within hours of Jean-Claude Juncker congratulating Vladimir Putin on his victory.

Almost two thirds of voters believe Brussels will come out on top in Brexit negotiations, according to a new poll.

A former Cabinet minister has suggested bosses who abuse online data for political or financial gain should be thrown in jail in the wake of the Cambridge Analytica scandal.

Jacob Rees-Mogg has accused the Government of giving away “almost everything” for little in return in the Brexit transition deal struck with Brussels.

Scrapping tariffs after Brexit would have a small impact on lowering the price of goods even based on “optimistic” assumptions, the IFS has said.

Russia must be given a sample of the nerve agent which poisoned a former double agent so they can "categorically" say whether it is belongs to them, according to Jeremy Corbyn.

New fathers should be given the chance to take three months’ leave on the first year after a child is born, MPs have said.

Tory chief whip Julian Smith sparked a furious row with Conservative MPs after telling them to accept Theresa May's Brexit transition deal because "it's not like the fishermen are going to vote Labour".

Official information watchdogs have demanded a warrant to search the records of political campaigns firm Cambridge Analytica amid fresh allegations against the company.

Ukip has been dealt a fresh blow after it was ordered to pay £175,000 in just 14 days in legal costs to three Labour MPs after a bitter court battle.

PoliticsHome has scoured party spending data for the 2017 general election so you don't have to. Here are just some of the key findings. 

Theresa May will survive as Prime Minister despite the Conservatives heading for their worst-ever performance in London in the May local elections, a leading pollster has predicted.

A Conservative MP today blasted the Government over a deal on fisheries post-Brexit - saying it would be “easier to get someone to drink a pint of sick than try to sell this as a success”.

Scottish Conservative leader Ruth Davidson has described the Brexit transition as an "undoubted disappointment" after David Davis was accused of betrayal by fishermen.

David Davis and Michel Barnier have agreed the terms of a post-Brexit transition deal - but admitted that there is still no agreement on how to avoid a hard Irish border.

Senior Labour staff are resigning en masse ahead of Jennie Formby's appointment as the party's new general secretary.

A former Labour minister has hit out at Jeremy Corbyn’s response to the Salisbury nerve attack, claiming his position is “as staggering as it is tragic”.

The Conservatives spent £7.5m more than Labour at the general election that cost Theresa May her Commons majority last year, new figures have revealed.

The EU has stopped short of backing the UK government view that Russia was behind the nerve agent attack in Salisbury that left three people fighting for their lives.

Labour has urged the Government not to “cave in” to the gambling industry over new recommendations for a £30 maximum bet on fixed-odds betting machines.

Facebook founder Mark Zuckerberg could be hauled in front of a Commons committee to face questions over his company’s data sharing practices.

The Government will today announce a £26m fund for school breakfast clubs across the country.

A trio of cross-party MPs has urged the Chancellor to crack down on fixed-odds betting terminals by lowering the maximum stake from £100 to £2.

Vladimir Putin's crushing victory in the Russian presidential campaign was helped by the furore over the Salisbury nerve agent attack, a Moscow spokesman has claimed. 

A Conservative MP has warned that he will try to vote down the final Brexit deal unless it includes returning full control of Britain's fishing waters. 

John McDonnell has broken ranks with the Labour leadership to take a tough new line against Russia by declaring that Vladimir Putin is responsible for the Salisbury nerve agent attack.

Boris Johnson has admitted he did take part in a tennis match with the wife of a former Russian minister after she donated £160,000 to the Conservative party.

The BBC have strongly denied that they photoshopped Jeremy Corbyn's hat during a segment on Newsnight discussing the response to the Salisbury nerve agent attack.

The nerve agent used to poison Sergei and Yulia Skripal may have originated in a government facility in Wiltshire, a senior Russian official has suggested. 

A leading academic has predicted that the cost of Britain’s top degrees will soar to £120,000 within the next ten years. 

Voters face further deep spending cuts or "substantial" tax rises to shore up the public finances, two senior Tories have warned Philip Hammond. 

A group of Conservative MPs with seats in Labour heartlands are set to launch a new campaign to win over millennial voters.