It's understood that 100 people were trapped in underground tunnels, and a further collapse occurred during the rescue operation, suggesting that a total of 200 people may have been killed At least 200 people have been killed at Kim Jong-un's nuclear test site in North Korea after a tunnel collapsed. A news agency quoted a North Korean official as saying that a collapse occurred during the construction of an underground tunnel at the Punggye-ri nuclear test site in the northeast of North Korea on October 10. According to the report, 100 people were trapped in underground tunnels, and a further...