Memorial to man who made the Mallard runs into row over a duck

A change to the statue of Sir Nigel Gresley, designer of the world’s fastest steam locomotive, sparks storm on Facebook and TwitterIt seemed such a good idea at the time – a dignified event to mark the life of one of Britain’s greatest engineers, designer of a much-loved transport icon. But now the event is threatening to unleash an undignified battle involving superglue and rubber ducks.A statue of Sir Nigel Gresley is due to be unveiled in April, marking the 75th anniversary