Newly-elected London mayor Sadiq Khan has said he will stand down as MP for Tooting after 11 years.
He was officially sworn in as mayor at Southwark Cathedral, and said he "can't quite believe the last 24 hours".
Beaten London mayoral candidate Zac Goldsmith has made no comment as he left his home.
The Conservative polled second, with 43.2% of the vote once second preferences were counted, making a brief speech at City Hall following the post-midnight announcement.
But he refused to answer any questions this morning.
The unlicensed events unfolded on Saturday night at Clapham Common and Tooting Bec Common.
A 37 year old man who was taken to hospital after getting into difficulty in a stretch of water near Maidenhead has died.
Jonty Bravery, who is mentally ill, has been jailed for 15 years after throwing a six year old boy from the Tate modern balcony.