electrican are joining us live from the host city of pyongyang chang earlier some devastating news there for some of russia's top athletes can you tell us more about this ruling from cas. hi again rory there you have it according to the court of arbitration for sport at the heart panel the reading of the russian athletes their invitations for the olympic games isn't equal to punishment and they're absolutely happy with the criteria that the i.o.c. and initially chose for these invitations the president of the world anti-doping agency is pleased he says that the timing is great and that now all the clean athletes should be reassured the i.o.c. are happy too they have already applauded the verdict as you can see and this tweet though the russian side is obviously devastated. i don't know what to say i'm really disappointed i can understand the cast decision first they cleared the athletes and now they say sorry you can't go to the olympics this is some kind of madness it's terrible not just for our athletes but for all of international sport did i expect kass to reach this decision fifty f