Should you witness or be involved in an explosion and you are in a position to do so:
- Call 999 and alert the emergency services
- Go inside, to a room furthest away from the incident
- Shut all doors and windows to prevent fumes entering the building
- Stay indoors and tune into the local radio station, listening for advice on what to do next
- If you are at home, or know the building you are in, prepare to turn off gas, electric and water supplies
- Prepare to be evacuated to a safe place, collect your Emergency Grab Bag
- Follow the advice and instructions given to you by the emergency services