Mount Ontake, Japan (CNN) - At least 31 people are presumed dead after rescuers found them showing no signs of life Sunday near the summit of a Japanese volcano that started erupting a day earlier.
http://www.cnn.com/2014/09/28/world/asia/japan-volcano-ontake/index.html?c=homepage
Police said the people were in a state of "cardiac arrest," meaning that they were discovered without a pulse and weren't breathing but hadn't been declared dead by a doctor. It's interesting to find out that they all died the same way.