Europe's second-largest copper producer also posted its best quarterly results in the last three years, with revenue rising by PLN 1.2 billion (about $312 million).
The metal touted for its environmental benefits, particularly in the manufacture of lighter cars and trucks, has a big problem with storing its toxic by-products.
The drama surrounding the rescue of two men trapped in an Australian gold mine in 2006 has unearthed an unlikely star -- Bill Shorten, a union leader who’s now poised to become the nation’s prime minister.