The unit sent three armed response vehicles, an Operational Firearms Commander as well as dog units and local police officers.
However this turned out to be a hoax call and the caller will be dealt with for wasting for police time.
a tweet from the Derbyshire Armed Response Unit said: “Complete waste of police resources that could be used for REAL emergencies! #Unbelievable
“Result from enquiries made with original caller. Will be dealt with for wasting police time and was wanted! One to cells! #unlucky #karma.”
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Derbyshire Police tweeted: “Reports like this won’t be ignored, but took valuable resources off our streets. #ThinkBeforeYouCall.”