Kate Garraway has opened up on the moment her tyre exploded on a motorway with her two children in the the car.The 53 year old was travelling back from a weekend with her daughter Darcey, 14, and son Bill, 10, when the incident took place.Taking to her ITV breakfast show Good Morning Britain, which she is co-hosting with Ben Shephard during the summer, she filled viewers in on the scary moment. I'm A Celebrity...