Prosecution for people leaving dogs in hot cars

At this time of year, with the unusual constant high temperatures, & the high visitor numbers, we are seeing a lot of dogs suffering immense distress at being left to bake in cars. It is a grey area with the Police as regards of what action can be taken - needs addressing as to what immediate action can be taken, rescuers need to be immune from "criminal damage" prosecution when it had been established that the dog needs to be released from vehicle to prevent further suffering & death. The dog owner should be prosecuted for causing unnecessary suffering to an animal.