Major fire training operation in Plymouth Residents are urged not to be alarmed if they see large number of firefighters and fire engines in part of Plymouth Firefighters arriving at Plymouth Garden Centre tonight for training exercise at Eggbuckland Keep (Image: Erin Black) Residents may see a large number of fire engines and firefighters at Eggbuckland Keep this evening - but don't be alarmed as it is only a large fire training exercise. Devon and Somerset Fire and Rescue Service will begin the training operation at 7pm - although the public may well have begun to see fire crews massing from around 6.30pm this evening.