One Reuters source said the situation was difficult to solve and a new vote had not been scheduled.

Guinea is among the world’s top producers of bauxite, a raw material used to produce aluminum.

Analysts have calculated an additional provision between about $3.5 billion and $3.6 billion to match BHP provisions for the year.

Andrew Forrest is asking political leaders to provide "real, non-greenwashed" commitments to encourage investment.

The company will appeal the decision within three weeks.

The 24-hour work stoppage could interrupt supply from Western Australia mines to BHP's export hub at Port Hedland.

The Liberty Corridor is expected to support the West African region's connection to world markets.