Detective Superintendent Helen Millichap of Newham Police described the attack on the 16 year-old as "really unusual". She hopes the attacker will quickly be identified.
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A little cooler but the rain should start easing off.
The patient suffered brain damage after having a heart attack more than a decade whilst in hospital.
Artist Yanko Tihov created a number of images showing passports from people from outside the UK living in London.