A sudden and extensive power failure occurred at Karolinska University Hospital in Huddinge on Easter Saturday, 7 April 2007, at 12.13 pm. An earth fault in a high-voltage cable connecting two substations in the hospital knocked out 70 percent of its electric power supply.
The Kamedo-reports are published by the Swedish Disaster Medicine Study Organisation (Kamedo), at the National Board of Health and Welfare. Observers study the medical, psychological, organisational and social aspects of disasters. The results, with a focus on experiences gained, are presented in the reports.