The convicted murderer who helped foil the terror attack on London Bridge last November armed only with a narwhal tusk will see his sentence cut following an intervention by the Queen. Steven Gallant, 42, was on day release at the event for reformed prisoners in Fishmonger's Hall when he helped end Usman Khan's rampage, which left two Cambridge graduates dead. Jack Merrit, 25, and 23-year-old Saskia Jones - both part ...