IAAF president backs Europe to host athletics ' showpiece event in near future . Lamine Diack tells IAAF that world championships are more affordable . Swiss official says Russia 's legacy was important in winning two bid . And certainly , I feel that Britain is a very great nation of athletics . '' Diack confident he will not be found guilty of accepting illegal payments .
IAAF president backs Europe to host athletics ' showpiece event in near future . Lamine Diack tells IAAF that world championships are more affordable . Swiss official says Russia 's legacy was important in winning two bid . Diack confident he will not be found guilty of accepting illegal payments .