People have taken to Facebook to post messages on a page set up to pay tributes to Sarah Groves.
Underneath a photograph of her smiling, Charlene Carter said: "That beautiful smile I will never forget."
Donna Stacey said: "Waste of a beautiful life just goes to show the world we live in."
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Monica O'Connor and at least two other people were killed in the incident, and a British man remains missing.
Lively downpours across the south, Wales and Northern Ireland today - slow moving and intense with hail and thunder.
"The council's inspector judged there was an imminent health risk and an immediate voluntary closure of the takeaway was agreed."