Chiller and AOC chief executive Fiona de Jong have been attending nightly meetings on the issue .
Chiller and AOC chief executive Fiona de Jong have repeatedly expressed their concerns to the local organising committee and the International Olympic Committee ( IOC ) .
Chiller and AOC chief executive Fiona de Jong have been attending nightly meetings on the issue and repeatedly expressed their concerns to the local organising committee and the International Olympic Committee ( IOC ) .