Freezing system malfunctioned at Karolinska Institute in Stockholm. The problem was only discovered after several days.
The value of the lost samples could be in the millions, but there is no official estimate. There appears to be no evidence of sabotage, but the incident was reported to the police. The institute is considered one of the most respected teaching and research institutions for medicine. Every year the Nobel Assembly chooses the winner of the Nobel Prize for Medicine here. The Institute is located in the heart of Stockholm.