Paris must have 'plan B' for open water swimming: Olympic champ Cunha

Rio de Janeiro (AFP) - Brazilian swimmer Ana Marcela Cunha, the reigning Olympic open water champion, has called on organisers of this year's Paris Games to draw up a "plan B" in case events cannot be held in the Seine due to poor water quality.

Last August, the marathon swimming test events were cancelled because the water was too dirty, as were the swimming legs on two of the four days of triathlon and para-tr