Sweden has announced a £7.7 million plan to modernize its civil defense bunkers amid escalating tensions with Russia. The Scandinavian nation, which has 64,000 bunkers capable of protecting 7 million people, is upgrading these shelters to defend against nuclear blasts, radioactive fallout, and chemical or biological weapons. Sweden’s Civil Contingencies Agency (MSB) is inspecting and updating the largest bunkers, with work expected to take up to three years. Watch the video for details.