They contained the fire to the administrative buildings .
“Firefighters will now remain at the scene into the evening damping down the fire.
The cause of the fire is under investigation.”
Morden mosque saved as crews confine fire to admin buildings
http://www.london-fire.gov.uk/LatestIncidentsContainer_26091530.asp#.Vgb465cbZ-8
Ah ha they stopped it before the got to the artillery/munitions storage area. Too bad.
Again, oh my. How. Sad.