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  

President says he only heard of Donald Jr’s meeting with Moscow lawyer in recent days

US president’s son thought he was meeting a representative of the ‘crown prosecutor’

Agalarov says emails ‘made up’ while Veselnitskaya tells FT allegations are ‘nonsense’

‘I love it’, son responded when told Moscow lawyer had detrimental material on rival

Shifting accounts of effort to find damaging information on Clinton fuel concern

Natalia Veselnitskaya saw chance to roll back US sanctions and help a client

Aides Kushner and Manafort also attended session during presidential campaign

Backlash in US over president’s acceptance of denial of election hacking