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.
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George Osborne told MPs London would shoulder a large part of his 37% reduction in transport funding.
The prison was originally opened in 1852 as a mixed prison before becoming the first female-only local prison in England in 1902.
The victim was travelling between Seven Sisters and Highbury and Islington when she was assaulted.