Breach of the dike of the red mud pond

Source of the photo: 
http://index.hu/belfold/2010/10/04/iszapomles_veszprem_megyeben/?p=0
Author of the description: 
Gruiz Katalin
Breach of the dike

You can see the broken dike on this picture. The dike might have possibly failed due to soaking and sliding of the underlying clayee soil.