Speaking the Evening Standard, Catherine Seale urged parents to make sure their children check their privacy settings on Facebook.
The last thing I told him before I went away was 'don't have any parties'.
They could have been killed. Even though it had been cleaned up when I got back from France, everything felt sticky and dirty and it stunk.
There was vomit in the sitting room, cushions were completely ruined, and the sofa stank for days.
All parents should be warned that this could happen if you go away and leave your 17-year-old alone.
More top news
Mr Charles died in hospital after he was chased by a police officer into a shop in Dalston and restrained.
The Labour mayor will seek a second term in City Hall.
The Apprentice boss tweeted a picture of the sports team, which had been edited to include a picture of handbags and sunglasses.