The UK Supreme Court ruled Wednesday that citizens of Zambia may sue a mining company in the UK.

The case arises out of a claim by Zambian citizens against Vedanta Resources PLC, which is a company in the UUK that is the parent company of Konkola Copper Mines PLC. The latter company is the owner of the Nchanga Copper Mine in Zambia. The Zambian citizens "allege that their health and farming activities have been damaged by the discharge of toxic matter from the Mine into those waterways from 2005 onwards."