An election centre in Arizona has been forced to close after a protest outside by Trump supporters led to concerns about unrest.
CNN reports that some in the crowd outside the building in Maricopa County are armed (Arizona, which has 11 electoral votes, is an open-carry state).
At the time when the centre was closed Joe Biden was ahead in the state by roughly 70,000 votes. The counting is continuing but press were escorted from the building.
A tweet from the Maricopa County elections department said: "Staff at the @maricopacounty Elections Department will continue our job, which is to administer elections in the second largest voting jurisdiction in the county.
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