London Bridge terror attack hero, Stephen 'Sevvy' Hilder, was run down and killed | Updated: 07:17, 11 January 2021 A grandfather killed as he crossed the road was a London terror attack hero, it has been revealed. In June 2017, brave Stephen Hilder - known as Sevvy - was returning from a trip to the Derby with his son Martin, when they went into London for a drink just as terrorists struck London Bridge. Stephen Hilder The 70-year-old former milkman saw a woman bleeding across the road and rushed to help her - defying shouts to flee the area. His other son Daniel told Maidstone Crown Court the father-of-two stayed with the victim until paramedics arrived.