Massive fire breaks out in 24 story London apartment building...

[Mister Obvious]

"Investigations are focused on gas pipes recently installed, which residents complained had not been boxed in with fire retardant material despite assurances they would be."

https://www.theguardian.com/uk-news/2017...n-grenfell

http://i.imgur.com/VUMY5Eq.png

The configuration was documented to cause a "chimney effect" and maximize area of damage.

Clearly mass murder.