US swimmer Diana Nyad said this will be her final attempt at making the 103-mile journey from Cuba to Florida without a shark cage.
Ms Nyad said before beginning the gruelling swim, "I'm learning as I get older, and I'm really getting older now, that there's a fine line between having grace and letting go of something that you have no control over and you're just not going to beat, like Mother Nature maybe."
More top news
Mary Ragoobeer and her sons, Shane and Sean, were killed in the blast in Leicester on February 25.
Wiltshire Council has warned work to remove toxic traces from nine hot spots around the city could take months.
Here are some answers to key questions on an impasse which threatens to derail the process.