0n track for less pollution. the uk s first hydrogen powered train goes on display. these were the soggy scenes at ascot yesterday. can we expect more today? carol is there. well, add royal ascot today there is the risk of a shower, particularly later on. not as frequent as the last couple of days. it is a mixture of sunshine and showers. as we head into the weekend and next week it is getting hotter. i will have more in 15 minutes. good morning. it s thursday, june 20. our top story: by the end of today we ll know the final two candidates in the race to be the next prime minister. conservative mps will vote later to whittle down the remaining four, and the final decision will then be made in a postal ballot by around 160,000 party members. 0ur political correspondent nick eardley is in westminster. if people are feeling slightly wary of all these votes, this is getting to the final stages of. it is nearly overin to the final stages of. it is nearly over in terms of what happ