The UK LabourParty under JeremyCorbyn was accused of AntiSemitism because of, particularly Corbyn's, strong connection with Palestinian activists.

This was spun into a whole campaign accusing Labour of anti-semitism and racism.

https://www.mediareform.org.uk/wp-content/uploads/2018/09/Labour-antisemitism-and-the-news-FINAL-PROOFED.pdf