She said recounts already under way in some Pennsylvania counties would continue.

Voters in at least four Pennsylvania counties said touch-screen voting machines were mistakenly switching votes.

Local media reported that touch-screen voting machines were not recording ballots correctly in several Pennsylvania counties.

An hour later, Pennsylvania counties begin to report and it seems to be a slam dunk for U.S. President Donald Trump.

The president was in Erie on Wednesday, one of a handful of Pennsylvania counties that Mr Obama won twice before it flipped to Mr Trump.

Northampton is one of three Pennsylvania counties whose voters flipped to Trump after supporting Democrat Barack Obama in 2008 and 2012.