Scott Bessent told CNBC that several government agencies "were in favour of putting Megaspeed on the entity list for months".

Microsoft says it is continuing to restore services including Outlook and Teams following a global outage.

Microsoft has apologised for the issue, which it said was due to a technical failure.

From city governments in the US to spy agencies in Australia, the Microsoft outage is being felt around the world.

Major airports and intelligence services are unaffected, while the government is still assessing the impact.

Jensen Huang's personal life may have triggered the crisis, but the questions now reach into the White House itself.