Duncan Massey from Avon and Somerset Search and Rescue says there have been three or four similar incidents in the last few weeks:
More top news
Patients across the region have had operations and appointments cancelled despite a strike by junior doctors being called off.
Avon and Somerset Police are beginning a campaign to stop drink and drug driving over Christmas by publicly naming offenders.
The Staying Well Service is being launched by South West Ambulance Service to help its employees deal with traumatic and dangerous events.