Around one in four parents knows of a child in their area who may be going hungry, a survey has found.
The poll suggests that the problem may be getting worse, with many parents saying they have seen an increase in the numbers of youngsters they are worried about.
But it also reveals that many are reluctant to get involved, with more than half failing to report their concerns to the authorities.
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A humid night for some with thundery downpours in places.
The 20-year-old was found fatally wounded on Roth Walk, near Finsbury Park, north London at around 3am on Saturday, Scotland Yard said.
Daniel Cowell has been jailed for five years and four months after ramming a police patrol car with a stolen transit van.