Hundreds of striking blue sea creatures wash up on popular UK beach – do you know what they are?

HUNDREDS of striking blue sea creatures have washed up on a popular UK beach which has left Brits baffled. These mysterious jellyfish-looking critters have bemused beachgoers at St Bees in Cumbria. Swathes of “By-the-wind-sailors” reportedly washed up along the Cumbrian coast. They are also known as Velella velella and are closely related to Portuguese man o'wars,...