'OBLITERATING': TONNES OF CONCRETE POURED INTO 'CRITICAL' PIKE RIVER MINE AREA - EXPERT

© Image - Getty; Video - Newshub Nation Watch: Richard Healey spoke to Newshub Nation about the developments on Saturday. An expert investigating the Pike River mine disaster has claimed a mine manager pumped tonnes of concrete into a vital air feed, likely where the miners gathered after the first explosion, "completely obliterating" evidence. Thursday marked the 10th anniversar...