Last update on. From the section OlympicsTokyo Olympic Games on BBC Dates: 23 Jul-8 Aug Time in Tokyo: BST+8. Listen live on BBC TV, BBC iPlayer and BBC Red Button; Listen live on BBC Radio 5 Live, Sports Extra, and Sounds; Live text and video clips available on BBC Sport app and website.British sprinter Adam Gemili was denied a medal in Tokyo Olympics' men's 200m. He pulled up in heats with an injury.Gemili, 27, was aiming to improve his fourth-placed Rio 2016 finish. He missed out by three thousandthsof a second on bronze.Gemili, clearly distraught, stopped right after leaving the start blocks and walked to the finish."I cannot believe that this happened. He told BBC Sport that he was in such pain."In my last block, I felt my hamstring go. I said, "Strap it up!" and let me go. Because you must try."I felt like I had a great chance. I have been working so hard. This season was really difficult. I finally managed to put together five to six solid weeks of work."I was willing to win and try and get a medal. It is the worst feeling in the world. It's the worst feeling in all of the world."Nethaneel Mitchell Blake, a fellow Briton, failed to make it to the semi-finals.Gemili is competing in his third Games. He will also be competing for Great Britain in Thursday's men's 4x100m relay heats.His probable withdrawal continues a difficult Olympics season for Team GB sprinters.Zharnel Hughes was disqualified from the men's 100m final. Reece Prescod false started in the semi finals. Dina Asher Smith failed to make it into the finals for the 100m women's race and pulled out in the 200m.Sawyers and Irozuru are not able to make it as the middle-distance trio advancesOne month after breaking Kevin Young’s 29-year old world record, Karsten Warholm of Norway ran a remarkable men's 400m hurdles race in order to erase his own mark and win gold.Abigail Irozuru and Jazmin Sawyers from GB were unable to win the medals in long jump final, as Germany's Malaika Mikhambo won gold.Sawyers placed eighth with a jump of 6.80m, while Irozuru was 11th with 6.51m.On Tuesday, Jake Wightman, Josh Kerr and Jake Heyward all made it to the men's 1500m heats.They will be competing in Thursday's semi finals, as they attempt to win Britain their first medal in the event since Peter Elliott won silver at the 1988 Games.It's nerve-racking, isn't? "You're afraid you're going be embarrassed," Wightman said."I am glad that I was able to keep my feet on the ground and get through this."Jodie Williams won her heat in the women's 400m. She showed her confidence and proved her ability to win. External-linkIn her semi-final, the 27-year old will face Shaunae Miller Uibo, the Bahamas' current champion.Ama Pipi was also a fastest loser during a heat that was dominated by Allyson Felix, 2016 silver medallist.Nicole Yeargin, a 23-year-old Scot, was disqualified from the event for a lane violation.