The Metropolitan Police wrote to Home Secretary Theresa May asking for the ban two days ago.
We have made this decision based on specific intelligence and information, and our message is clear - we do not want people coming into the areas to attend these events.
The three other boroughs affected are Tower Hamlets, Newham and Islington.
More top news
Hours after completing Sunday's course some of the runners put their medals on auction site eBay, with one attracting bids of almost £92.
Mike Wagstaff lights scores of candles underneath vines in the dead of night on his 40 acre vineyard.
the fox, thought to be between four and five-weeks-old, was rescued after a member of the public heard her cries.