Facebook appears to have gone offline with users of the social network seeing the message "sorry something went wrong" when attempting to log on to the site.
Facebook users have taken to Twitter following the reported outage:
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The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.