Iranian hackers targeted US 2020 campaign, says Microsoft bbc.com

Hackers that appear to be linked to Iran's government have targeted the 2020 US presidential election, according to tech company Microsoft.

The group attacked more than 200 email accounts, some of which belonged to people associated with "a US presidential campaign", it said.

The target was President Donald Trump's re-election campaign, sources told Reuters news agency.

Iran has not yet publicly commented on the allegations.