the bbc sport website, including the british wheelchair tennis championships, where britain's alfie hewettrld athletics championships — with reaction to usain bolt‘s race. many thanks for that. that's it. you can see more today's stories on the bbc news channel. firmino wrestler team, have a very good night. hello, this is bbc news. millions of rail passengers are facing three weeks of disruption, as work to update the uk's busiest railway station got underway earlier today. the revamp of london's waterloo station is costing £800 million. ten of the station's i9 platforms are being closed, which means a significantly reduced service while it is carried out. this phase of the upgrade is due to be finished by the 28th of august. our correspondent simonjones has spent the day at waterloo. this work is going to last more than three weeks. this is already the busy station in the country, it will get even busier, with 30% more capacity. how will they do that? they have already started the work. this is one of the platforms that they will lengthen so they can take longer trains in future, and tha