The men's and women's triathlons were given the green light a day after the men's event had been postponed because of pollution levels in the Paris waterway.

In a joint statement, Paris 2024 organisers and World Triathlon said they had taken the decision to cancel Monday's swimming training session because "water quality levels... do not present sufficient guarantees" to allow it to take place.

Thousands of Olympic competitors cruised down the River Seine in a spectacular opening ceremony for the Paris Games on Friday that celebrated French history and culture to the delight of a crowd undeterred by persistent rain.

The pre-Olympics swimming test competition due to take place Sunday in the Seine in Paris has been cancelled due to pollution of the river, the international swimming federation said after analysis of the latest water samples.

The rain-swollen River Seine in Paris receded after reaching its highest level in three decades as attention turned to other areas of France where alert warnings have been issued.

The rain-swollen River Seine in Paris reached its highest level in three decades, spilling its banks and prompting the Louvre museum to shut its doors and evacuate artworks in its basement.