That's interesting, because there's definitely been a rise in antisemitism here in the UK but that's come from the far-Left, which until recently had control over the main opposition party here - the Labour Party. They're actually under investigation by the Equality and Human Rights Commission here in the UK over their antisemitism, and some of the initial findings are quite grim. Incidentally, the only other UK party to be investigated by them was the national socialist BNP - some of their elected local government officials have actually joined the Labour Party.
Definitely agree about the rise in partisanship - it is getting ridiculous, even over the most trivial matters. I do find it weird in a way because I've always been surrounded by friends with diverse political opinions, and always got on with each other, primarily on the basis that we all ultimately want the same things, we just have different views on how to get there. These days however there seem to be so many people who just refuse to even be civil to people with different viewpoints.