Branches and fallen trees are seen near Lake St. Andraer after a severe storm hit in Lavanttal, southern Austria, on August 18, 2022, killing two children.

Video. 'Unfathomable tragedy': Girls, 4 and 8, among a dozen killed by storms

The girls were killed when sudden strong winds toppled trees late on Thursday at a lake in Lavant Valley near the southern city of Graz.