"Voting is slow in just about all the polling stations, but especially so at the polling stations where they don't have any laptop computers to verify the potential voters on the actual roll, which means they have to go to the physical paper.

VOA: standard.2009.11.27

There were also problems with people being missed off or barred wrongly from the electoral roll, and being prevented from voting when they turned up at polling stations.

BBC: US election flaws 'cost 6m votes'

Some complained of being turned away from polling stations at schools, marquees and community halls because of irregularities on the voters' roll.

ECONOMIST: Results are delayed amid rigging claims