Ed Miliband has said tackling the cost of living crisis should be the number one priority for any politician in London.
The Labour leader said the "cost of living crisis" was massive for people across the capital, insisting they need a government to stand up for them and not the "privileged few".
Speaking to ITV London, Mr Miliband said Labour were already planning to tackle the cost of living by "abolishing the bedroom tax, tackling energy bills and strengthening the national minimum wage".
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The victim, who was also 15, was stabbed repeatedly just yards from the Capital City Academy School in Willesden.
Crossrail contractors have been hit with a fine of more than a million pounds over the death of a worker and other incidents.
Anh Nhu Nguyen, 52, claimed he lived in the North Kensington block and that his wife and son had died in the fire.