A South Australian regional community is grieving the loss of Helena Wright and her daughter after a shocking tragedy. WATCH ABOVE: Mother identified after sad family tragedy in SA regional townSign up to The Nightly's newsletters. “Sadly we have not been able to locate the boy, but we will resume the search tomorrow morning,” he said on Tuesday evening. “The information we have from survivability experts is that it is very, very unlikely the missing baby has survived to this point.” Police believe Helena had fallen off a cliff Credit: 7NEWSSouth Australian Premier Peter Malinauskas said the deaths “shocked you to the core”.