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 woman, 63, was allegedly grabbed from behind and dragged to the ground in a serious assault near a nature reserve.
A 21-gun salute was first sounded in the capital, Havana, as Castro's ashes were taken to the cemetery in eastern Cuba.
At least three children and 18 others - including members of the local police force - were among those who died.