Cross-party group files claim to force inquiry into Russian interference in UK elections.

Businessman who has given party more than £1.3m denies he is agent for Kremlin.

Russia's influence reaches deep into the British establishment and successive UK governments have turned a blind eye to it, lawmakers were warned, according to multiple sources familiar with testimony given to a parliamentary inquiry.

Report assesses allegations that Kremlin-sponsored activity distorted result of 2016 vote.

PM is delaying publication of report assessing threat posed to UK, says Dominic Grieve.

EP Today using articles from Kremlin-funded outlet RT, says EU disinformation taskforce.

President Putin denies that Russia welcomes Britain’s vote to leave the EU – but it offers a possibility of weakened sanctions and a shift in power relations