By saxtell@thekmgroup.co.uk (Sean Axtell) Families have been left devastated after a fireworks display has been cancelled at the last minute due to to excessive wind speed at height. Medway Council announced the coveted event was shelved at 6.15pm – just 45 minutes before it was due to begin. Hundreds of revellers were ready to descend on Medway’s Fireworks Night at Great Lines Heritage Park in Gillingham. But instead they hit out at the local authority on social having received the news. “So many sad children walking back from the lines, such short notice, (the council) must have known before…