Health campaigners are urging the government to do more to tackle air pollution in the capital as new figures show it is a factor in thousands of deaths.
Clean Air London claims that air pollution is killing more then ten times the number of people who die from road traffic accidents.
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The robbery is being connected to a spate of thefts in south east London.
Workers at two rail companies in the South East are to stage two 24-hour strikes
Eight cases of fraud and four possible thefts are being investigated, Scotland Yard said.