Police are looking to re-open the investigation into the Pike River Mine explosion. It comes ahead of the planned re-entry to the mine later this year.
The initial investigation ended in 2013 with no charges being laid.
Criminal charges may still be hard to pursue. The panelists discuss.
This morning Andrew Little went 30 metres into the mine's main entry tunnel with Pike Family representatives Anna Osborne and Sonya Rockhouse - who both lost a family member in the 2010 disaster. Photo: Andrew Little / Twitter
