Some Pike River families picketing to stop mine being sealed

Families of some of the men killed in the Pike River mine explosions are picketing the site to stop it being sealed. The Government announced in March funding had run out and it would be closing the mine. A representative of 22 families says a crucial piece of machinery - a fan -  remains in the mine, and it could cast light on what caused the explosion in 2010. Māni Dunlop spoke to Bernie Monk who lost his son in the disaster.