That would make the 2025 Los Angeles fires the costliest natural disaster in US history, more than the $200 billion total bill from Hurricane Katrina in 2005.

To prepare for an emergency, survival experts suggest stocking up on outdoor survival supplies, roadside kits, communications systems and more.

Tom during his deployment in Afghanistan in 2006 (Picture: Prepared Pathfinder/Tom Blakey) ‘An attack may not come in the traditional way we view war, with a physical invasion or bombs dropping.