By Tom Bevan An”‘incredible” sighting of a “big cat” in the British countryside has been caught on camera. Experts have praised the footage, which was taken by by Becky Clarke during a recent walk and shows a mysterious beast prowling through a field. The video, recorded on Becky’s phone in Cheshire, is one the clearest evidence yet of big cats living in the UK wild, experts have reportedly said. Becky said: “We watched it for about 20 seconds on zoom before I realised I hadn’t pressed record.” She also shared her thoughts about the reason behind this sighting: “There has been so much disrupti…