The ISA says it has the right to set the rules as it is a transparent public forum of consensus-building by the international community and in compliance with international law.

Power Resources Group mines in Rwanda for tantalum, used in mobile phones, and niobium, needed for high-strength alloys.

The deal is expected to enable cost savings of at least 100 million euros and revenue synergies, stemming from cross-sales opportunities, of at least 150 million euros a year.

Rio Tinto restarted the sale process for the assets in late 2018 after Norwegian aluminium company Norsk Hydro pulled out of buying them.

It turned out to be an inside job.

In the past few months, government officials have joined with manufacturers, development banks and commercial lenders on measures that will channel more than 100 billion euros ($113 billion) into a supply chain for lithium-ion packs.

Aluminij, among Bosnia's biggest exporters, has been in trouble for years over debt accumulated because of high alumina and electricity prices.

Amin Nasr’s message to the press that oil flows to the market are guaranteed should be taken with a pinch of salt.