Tokyo’s governor says the triathlon for the 2020 Tokyo games may have to find a new site.

Yoichi Masuzoe says air traffic at nearby Haneda airport could prevent helicopters from filming the competition.

Organizers may also have to move the canoe slalom event from another site next to Tokyo Bay.

Questions continue to dog Tokyo’s plans for the 2020 games.

A scheme to replace the Tokyo National Stadium with a giant new facility was modified after complaints emerged over its cost and size.