From what I’ve heard, a back hoe “track hoe” hit and broke a main water line which flooded the tunnel, down to the 9th level walkway, and all the way down to 4th Level. Here’s the scene from outside. 
Submitted Mobile Phone Photos:
From what I’ve heard, a back hoe “track hoe” hit and broke a main water line which flooded the tunnel, down to the 9th level walkway, and all the way down to 4th Level. Here’s the scene from outside.
Submitted Mobile Phone Photos: