The shocking story of Elianne Andam, a 15-year-old schoolgirl who was stabbed to death at a bus stop outside a shopping centre in Croydon, south London, in a row about a teddy bear. 

A single sycamore tree, growing in a natural dip in the countryside along Hadrian's Wall, came to symbolise a community. When the people of Northumberland wake to discover it has been chopped down overnight, it leads to a news story that makes headlines around the world. Who destroyed the tree at Sycamore Gap and why?