Ambleside Roman fort and Lake Windermere looking south. Credit: Manuel Fernández-Götz / CC BY 4.0 A new archaeological study suggests that Roman soldiers stationed at Ambleside Fort in England’s Lake District once fought off an attack, based on a scatter of ancient sling bullets found around the site. The study, published in the journal Britannia, adds fresh evidence to a mystery that has puzzled archaeologists for more than a century. The fort …