Probe into Russian election spending sees social media group working with Washington

War of words grows over alleged Moscow interference in American election

Moscow’s weaponisation of the social network to influence last year’s US election raises grave questions

Investigation follows Facebook and Twitter probes into attempts to sway US election

Intelligence panel alarmed at persistent use of social media to disrupt electoral system

Social media group hands over 3,000 instances of Russian meddling during US election

Founder Zuckerberg under pressure after admission that social network carried Russian ads

Senators want regulation, not voluntary commitments, following Russian interference

Zuckerberg says social media group is working to protect integrity of German elections

Congressional pressure mounts on Silicon Valley to stem hostile foreign influence

Reports say former campaign chief was wiretapped and has been told to expect indictment

Intelligence committee seeks further information about Russia links

The presidential candidate’s memoir of defeat is written with a zest that would have benefited her lacklustre campaign

Social network says ‘inauthentic’ accounts spent $100,000 to amplify divisions

Paul Manafort under investigation as part of probe in to Russia’s election meddling

Trump to decide whether to use his veto while White House has foreign policy concerns

With the US president’s approval rating at a new low, the opposition should be in a strong position, but the party is sharply divided

Europeans fear impact on pipelines and other energy projects if Trump signs bill

Trump son-in-law acknowledges Russian contact but denies attempt at secret back channel

How a pop star and a former gossip reporter are tangled up with the president’s son