This has happened because the UK (as well as other Western states) have allowed the immigration/migration of intolerant (Jew hating) Muslims into their societies.
Police Called to London University After Protesters Trap Attendees of Israel Event in Room
by Rachel Frommer
Police were called to University College London (UCL) on Thursday evening after anti-Israel protesters stormed an event organized by local pro-Israel advocacy groups, according to initial reports from the event.
Israeli activist Hen Mazzig was addressing a gathering at UCL hosted by CAMERA on Campus and the Friends of Israel student group, when anti-Israel protesters from the Friends of Palestine Society tried to stop the speech by loudly chanting, “From the river to the sea Palestine will be free.” They eventually trapped attendees inside of the on-campus event space where the talk was taking place.
According to footage taken by an attendee at the event and posted to the Sussex Friends of Israel (SFI) Facebook page, police arrived after “things got out of hand.” Officers are seen warning the event attendees not to leave the room without police protection, for their own safety, before escorting them through a crowd of anti-Israel activists shouting, “Shame! Shame!”
Watch a video of the UCL demonstration below: