They’d just use the forces from the neighbouring counties to attend. Since the cops got the new digital radios they are all linked and can operate together. This is how they locked down East Anglia which is one of the largest areas of England..
(In the analogue days this was more difficult due to confusing radio channel assignments and that the sets often picked up foreign TV soundtracks in summer, so big ops were often not done for health and safety reasons – no reliable comms == danger to everyone involved)
this is the new kit they have got, more reliable than mobile phones in woods/forests (but can talk to normal phone lines), also contains built in satnav..
