And another world number one, novak djokovic, and another champion in the shape of martina and another champion in the shape of martina navratilova and the tennis authorities themselves but wimbledon have been authorities themselves but wimbledon have been very clear saying yesterday that the russian regime shoutd yesterday that the russian regime should not benefit from the participation of its players. moscow responded, saying it is unacceptable to turn responded, saying it is unacceptable to turn athletes into what it describes as hostages of political prejudice. our sports correspondent joe wilson reports . at wimbledon there is no roof to exclude the wider world. this is a fixture in the international sporting calendar, thus, what happens here matters everywhere. wimbledon quotes its responsibility to limit russia s global influence in the light of unjustified and unprecedented military aggression, and so several of the world s leading players will be excluded here and from