But parliamentary Intelligence and Security Committee says 'serious questions needed to be asked' about government's slow recognition of threat of meddling

British parliamentary report says Putin used UK-based oligarchs to expand influence, notes Jewish state has also welcomed Russian oligarchs

Researchers in Britain, US, Canada said targeted as London vows 'to hold perpetrators to account'

Leaked official documents from US-Britain trade talks were used by Labour Party to claim Conservative government planned to sell country's health service to US companies

Social media site takes bans accounts after Brexit document damaging to Conservative Party is leaked, seized upon by Labour