This is to be considdered another swedish political protest to Israels policies, that is if the match is not played. There are no security threats to the swedish team what so ever in Israel. Israel is to my knowledge the only country that Sweden has made such remarks to. Not Russia, China, Sudan, Iran or what have you.
Donald Trump: Israeli settlement construction in West Bank should 'keep going' (Haaretz)
from the article: After flotilla raid, Sweden wants out of soccer match with Israel