Cabinet secretary urged to investigate whether film of new prime minister breaches strict rules on political neutrality.

Jeremy Corbyn has been warned that his refusal to commit to a fresh Brexit referendum is causing Labour members to abandon to party in their droves, as its ruling body prepares to meet to decide the party's manifesto for next month's European Parliament elections.

Labour's deputy leader Tom Watson is to urge his party to "strongly" make the case for the UK staying in the EU.

Grassroots consultation will be launched next month – with ‘overwhelming response in favour of a second referendum’ expected.

Deputy leader says far more Remain supporters than Leavers have abandoned the party. / Watson’s intervention comes after the shadow chancellor, John McDonnell, appeared to suggest a shift in Labour’s position towards stronger support for a second public vote.

It is the government’s responsibility to defend against election interference and tackle the broken market that lets it flourish. Failure to do so is a dereliction of its democratic duty.

Politicians from all parties have urged the Prime Minister to give the public the final say over Brexit at the Put it to the People march in London.

More than 10,000 Labour members have signed up within hours to a new declaration calling on the party to lead the campaign for the UK to remain in the European Union.

Deputy Labour leader says alternative is for Labour to campaign at election ‘unambiguously’ to stay in EU.

Tom Watson has called for a judicial inquiry into the activities ahead of the Brexit referendum of the Leave.EU campaign and its main backer, Arron Banks, after claims the group faked a video and photos connected to migrants.

Jeremy Corbyn has put the party on an ‘election footing’ amid speculation over prospect of a snap poll, says deputy leader.

Relations between Jeremy Corbyn and his deputy plunge to new low - ahead of decision on European elections manifesto. / Tom Watson has walked out of a shadow cabinet meeting after Jeremy Corbyn refused to allow its members to see a draft policy on a fresh Brexit referendum.

Survey finds almost two-thirds want public to have Final Say and 60 per cent want Labour to campaign for Remain – after party leader pledged to listen.