![](https://ichef.bbci.co.uk/news/1024/branded_news/2314/live/e7b08d00-4dc8-11ef-b2d2-cdb23d5d7c5b.jpg)
What's the problem with swimming in the Seine?
It should be a stunning set piece of Paris 2024 - triathletes competing in the River Seine, bringing swimming back to the centre of this city. But concerns about water quality mean the first event has had to be postponed for a day. Standing on the Pont des …