ore

The two highly-polluting blast furnaces used intense heat to turn ingredients including iron ore into liquid iron.

The process involves distributing the ore within an electrolyte and then using electricity to heat this mixture to 1,600C.

The old city centre is at risk from ground fissures after more than a century of iron ore mining.

There, in the former iron ore mining complex, he was forced to help bury corpses.

Lomera has witnessed a gold rush since the end of last year when the precious ore was discovered in the hills near what was then a quiet village, according to medical charity MSF.