A judge has ordered Brazil’s largest mining company to suspend plans for a controversial railway track which jeopardises the livelihoods of Earth’s most threatened tribe.

Dozens of British politicians have joined an international campaign calling on Brazil to save “Earth’s most threatened tribe" by halting illegal logging.

Peru’s Congress is about to approve a highly controversial road that will slash in half the territory of at least two uncontacted tribes.

An uncontacted tribe has been photographed from the air in an area of the Colombian Amazon increasingly invaded by illegal gold-miners and loggers in recent years.