LONDON -- The head of the World Anti-Doping Agency has told Russias sports minister that much more still needs to be accomplished to fix the countrys doping problems.WADA President Craig Reedie responded to a letter from Russian minister Vitaly Mutko, who said his ministry carried out a significant amount of work to combat doping and pledged further cooperation with the global agency.WADA spokesman Ben Nichols says Mutkos letter acknowledged the deep-rooted doping problems the country has encountered, and the difficulty with eradicating such a doping culture in a short space of time.He says Reedie responded in a letter to Mutko, recognizing some of the steps that have been taken towards ensuring an effective anti-doping system in Russia, but stating that much more still needs to be accomplished. Edmonton Oilers Shirts . A forerunning sled crashed into the worker Thursday at the Sanki Sliding Center. The unidentified worker broke both legs and was airlifted to a nearby hospital. Stitched Oilers Jerseys . - Raiders general manager Reggie McKenzie never doubted he would bring back coach Dennis Allen for a third year despite back-to-back 4-12 records. https://www.cheapoilers.com/ . The Australian is competing in his final season in Formula One and still looking for his first win this year. He will look to end Vettels run of six straight race wins on Sunday. Webber, who is fifth in the championship, earned his second pole from the past three races and 13th of his career. Edmonton Oilers Store . It was just business as usual for the Thunder at home. Durant scored 32 points and the Thunder beat the Bulls 107-95 on Thursday night for their eighth straight win. Oilers Jerseys 2021 . Only three players drafted by NHL clubs were included on the Czech selection camp roster on Wednesday. Those players were Dallas Stars 2012 first-rounder Radek Faksa, Winnipeg Jets 2013 fourth-rounder Jan Kostalek and Phoenix Coyotes 2012 seventh-rounder Marek Langhamer. Paul Blake, the son of a Star Wars bounty hunter, has won Great Britains 50th gold medal of the Rio Paralympics.Six gold medals -- three in canoeing and three in equestrian -- on Thursdays eighth day of competition took ParalympicsGBs gold medal tally to 49 and 108 in all with three days remaining.And on Friday morning Blake claimed his third Paralympic medal and first gold in the T36 400 metres, winning in 54.49 seconds. He claimed 400m silver and 800m bronze at London 2012.Blakes father, also called Paul, is an actor who was bounty hunter Greedo in Star Wars, while his mother Kate was a dancer with the Royal Ballet.The 26-year-old from Dorchester benefited from the absence of London 2012 Paralympic champion Evgenii Shvetsov, who beat him at last years World Championships in Doha and is the world record holder.Russia is banned from the Rio Paralympics for state-sponsored doping -- a scenario that part explains Britains extraordinary medal collection.Blake, running from lane eight, kept his cool as Polands Krzysztof Ciuksza drew level on the second bend before the Briton accelerated away.ddddddddddddRoman Pavlyk of Ukraine was second in 55.67secs and William Stedman of New Zealand third in 55.69. Ciuksza was fourth.Blake, who has cerebral palsy, competes again over 800m on Saturday, where two other Russian rivals are absent, although he did beat Artem Arefyev and Andrey Zhirnov to take world gold in Qatar.Shvetsov also won gold over two laps at London 2012, when Arfeyev was second, Blake third, and another Russian, Pavel Kharagezov, was fourth. Blake told Channel 4: Im lost for words. In 2012 I was fortunate enough to get silver and bronze but Ive finally done it and got gold and all the hard work has paid off.Its not the ideal lane running from lane eight but I just got on with it.I was aware we were on 49 gold medals, its incredible for us to get so many gold medals and for me to help out with that tally is great. ' ' '