Fearing the volcano could erupt again, search parties were unable to set foot on New Zealand’s White Island for eight people still missing yesterday, as police raised the death toll to six from the eruption a day earlier. Police doubted whether any more survivors would be found. They said latest victim died in hospital, having been among more than 30 people injured in the eruption on the uninhabited island, a popular sightseeing excursion for tourists. Police said 47 people were on White Island at the time of the eruption. Twenty-four came from Australia, nine from the United States, five from New Zealand, four from Germany, two each from China and the Britain and one from Malaysia. Police said an investigation into the deaths on White Island had been launched but clarified it was not a criminal investigation.