View the OpenStreetMap with online videos
The Verdanson next to Philippidès sports ground, 14:13. 
The Colombière storage area, 14:50. 
Colombière culvert going pressurized.
15:07, the Voie Domitienne/Père Soulas bridge is about to go pressurized… 
(taken from the downstream side) 
… leading local authorities to close the road.