The dry weather conditions have led to a 400% increase in grass fires compared to last summer, causing problems for emergency services.
Martin Stew reports:
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Two members of the public were injured along with two police officers who were in the unmarked vehicle.
Scotland Yard recorded 1,235 Islamophobic attacks in the last 12 months, compared with 811 in 2015.
Officers say the child, aged two, was targeted in the Lewisham Shopping Centre.