Robbery through the tunnel

Police in the British city of Manchester is looking for criminals who dug a 30-meter tunnel under the ATM installed in the store, and then stole money from him.
The tunnel was equipped with props and light. It began near the railway embankment behind the store, took place under the car park and the foundation of the structure.
The kidnappers were also able to break the 38-cm layer of concrete before they got to the ATM.
Police say not remember such crimes, and that this robbery was preparing for a long time.