How the IRA got their hands on the world’s most valuable horse. Plus, dancers and jugglers ahoy in the grand final of Britain’s Got Talent. Here’s what to watch this evening
8pm, Channel 4
“Somebody comes up with the idea that they’re going to kidnap a racehorse.” In 1983, Shergar was the most valuable horse in the world, worth about £10m. But with the IRA in need of funds, three men in balaclavas with machine guns stole him and demanded a ransom. The extraordinary story is told by racing insiders including commentator Derek Thompson and journalist Lissa Oliver. Hollie Richardson