There have been some irregularities with yesterday's Swedish elections. The ballots for Sweden Democrats were missing for two hours in Gothenburg.

https://www.is.fi/ulkomaat/art-2000005821103.html (link in Finnish)

It turns out that Sweden uses a really unusual election system where voters have to pick a ballot for a party in public view even though the chosen ballots are cast privately. You can pick up multiple ballots and only cast one of them, but the problem with peer pressure from insufficiently secret voting is still there.

Who knows how deep the problems go.