1988–1994 British broadcasting voice restrictions

I had completely forgotten this was a thing until the memory of it was crowbarred out of my brain just now.

TL;DR: Anyone affiliated with terrorists in N. Ireland were banned from speaking on the TV and radio. To get around this, the news media found a loophole by which they could employ actors to dub the speakers' lines over the video feed, leading to one of the weirdest and most hilarious periods of The Troubles. The acting and sound quality was always abysmal, and the whole endeavour seemed like something from Monty Python's Flying Circus.

Here's an example of it:

https://www.youtube.com/watch?v=6WQXQbDpIdY