If you read this article (in Swedish): https://www.svd.se/a/Kna2ay/svenska-och-danska-fartyg-dar-fore-sprangningen https://www.svd.se/a/Kna2ay/svenska-och-dansk

If you read this article (in Swedish): https://www.svd.se/a/Kna2ay/svenska-och-danska-fartyg-dar-fore-sprangningen https://www.svd.se/a/Kna2ay/svenska-och-danska-fartyg-dar-fo... Both Sweden and Denmark were protecting the area from Russian ships before the explosion. So they both knew about what was going to happen. If they planted the bombs, or Ukrainians? Not sure but I don't think it was the Russians. Nord Stream was very controversial in Sweden when it was built.