It was a scene of devastation that will forever live in the memories of those who survived it and dealt with the aftermath. Because when a terrifying gas explosion wrecked a terrace of homes in a quiet Kent market town, the catastrophic sight left emergency services fearing the worst. Twenty years ago this week, the huge blast reduced two Victorian properties in Abbey Street, Faversham, to rubble and badly damaged three more, leaving a scene more akin to the wartime Blitz. And yet miraculously from it all emerged just 86-year-old Elsie Howland as the only significant casualty after the house s…