Mt Ruapehu eruption survivor 'I heard a rumble before the door of the hut exploded'

William Pike, at the age of 22, lost his right leg after being after being struck by a boulder in the 2007 eruption of Mt Ruapehu. He was sleeping in a hut on Mt Ruapehu at the time the lahar hit around 8.30 at night.  That was 12 years ago today,...