Police in Hackney are appealing for the help of the public to help find two men over burglaries committed during last summer's riots.
The images are from CCTV footage filmed during the chaos in various parts of Hackney, on August 8, 2011.
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Police are investigating whether a Land Rover Defender found burnt out in West Horsley was involved in Tuesday night's ram raid.
The work, called Gift Horse, replaces the giant blue cockerel that previously sat on the plinth.
50 of the country's worst pollution blackspots are in the capital. Many in places you may visit every day.