As Russia’s war with Ukraine threatens to spill over into Europe, nations around the world are rapidly restoring and expanding their network of shelters to keep people safe in the event of a chemical, biological or even nuclear attack. Shelter construction companies have been heading to Finland and Switzerland to see what it takes to build a bunker that can withstand modern day threats. WSJ traveled to Finland to check out one of the country’s largest modern nuclear shelters that can keep 7,000 residents in ...

Anxiety over high-profile violence has the wealthy spending big on armed security, bunkers and even moats to keep themselves safe from intruders. https://t.co/dYd7ZU4PTB ...