A solicitor for one of the families said the offer of £50,000 compensation to the families of those killed by British paratroopers during a civil rights march in Derry, in 1972, said the offer was derisory and an insult to those killed.
Kate Nash, whose brother William was killed and father Alex injured, said:
My brother cannot be replaced and all the money in the world won't bring him back.
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The singer, 31, said on Twitter that she and her partner Jonathan Powell were grieving their loss.
A fine evening ahead to the south with some late sunshine in places.
Prince Charles and the Duchess of Cornwall have visited Manchester Arena, the site of a suicide bombing in May which left 22 people dead.