Activists troll far-right UK rally with giant pro-immigration clip

The activist group Led By Donkeys projected pro-immigration messages onto a large screen at a far-right rally in the UK. This action was intended to counter the sentiment of the rally. The group successfully infiltrated the event with their display. The specific timing and location of the rally are not detailed in the provided content, beyond it being in the UK. The primary objective of Led By Donkeys was to broadcast pro-immigration viewpoints during the far-right gathering.