Police Officers say they fear a repeat of last summer's riots, according to a new study.
The research, carried out by the London School of Economics and the Guardian, also suggests that police don't have the resources to cope with such disorder.
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Police have released 12 images of people wanted in connection with what they describe as 'disorder' at a McDonalds in central London.
A man in his late 20s was taken to hospital last night after he was stabbed in east London.
Jeremy Corbyn will call for a new wave of grassroots support as he launches his leadership campaign today.