One councillor in Port Tennant near Swansea, Clive Lloyd, told ITV News the local community would rally round following the death of a 25-year-old man.
An investigation is underway to find out if measles was responsible.
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It is going to stay fine and dry through the night with light winds.
It is going to stay fine and dry throughout.
There have been four deaths on the M4 in just the last eight days following crashes between Swansea and Newport.