UPDATE 22/7/13: Here's media coverage from The Guardian and the Evening Standard.
According to Charterhouse Square (@CharterhouseSq) on Twitter, there has been a massive fire at Florin Court, a.k.a. Whitehaven Mansions, last night. The above images taken from Wikipedia and Twitter respectively (linked to their sources) show the damage. Hopefully no one was hurt. Also, fingers crossed that the damage can be repaired and the building restored. Below is David Suchet's repsonse to the event:
