Hackers with ties to Russia, China and Iran are attempting to spy on people and groups involved with the US 2020 presidential election, Microsoft says.
The Russian group which hacked the 2016 Democratic campaign is again involved in cyber-attacks, said the tech firm.
Microsoft said it was “clear that foreign activity groups have stepped up their efforts” targeting the election.
Both President Donald Trump and Democrat Joe Biden’s campaigns are being targeted.
This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version.
You can receive Breaking News on a smartphone or tablet via the BBC News App. You can also follow @BBCBreaking on Twitter to get the latest alerts.
source: bbc.com