Hackney Council has spent more than £10,000 clearing tonnes of waste covering an area the size of a football field, it said today.
Last month, the council approved £100,000 worth of funds to turn Mabley Green in to the world's largest "edible park", according to the Evening Standard.
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"All it takes is for somebody to see me - and I could just die, just like that. I could want to go to the shop and not come home."
Before the killing, Peters searched the internet for "serial killers", "treatment of child killers in prison" and "premeditated murder".
Arriva Rail North, Greater Anglia and South Western Railway are all affected.