Jeremy Clarkson, 62, has announced that he has "had to stop harvesting" on Diddly Squat Farm due to "the fire risk".This comes as the UK has been hit with a four-day extreme heat warning for southern and central England, as well as parts of Wales.Jeremy took to Twitter this afternoon to make the shock announcement about Diddly Squat.He told his 7.8 million followers: "F*****y f**k. Had to stop harvesting because of, and I’m not making this up, the fire risk."Many social media users rushed to the comments to share their concerns to the former Top Gear star and also offer their support.LeWonderHamster said: "Please stay safe!"Jeremy replied: "Safe? B******s to that.