Questions on White Island eruption remain to be answered: New Zealand PM

New Zealand Prime Minister Jacinda Ardern attends a press conference after the cabinet meeting in Wellington, New Zealand, Dec. 16, 2019. Questions need to be asked and answered with regard to the casualties caused by the White Island volcanic eruption, said New Zealand Prime Minister Jacinda Ardern on Monday. People across New Zealand observed a one-minute silence on Monday in honor of the victims of the White Island volcanic eruption. (Xinhua/Guo Lei)