Rare earths are critical for manufacturing everything from electric vehicles to wind turbines and defence equipment, and with China's dominance over the supply chain, they have also become inextricably enmeshed in geopolitics.
One person has died and several others, including police officers, are receiving medical treatment after a gas leak at a restaurant in north-west Sydney.
Donald Trump is using the US military to bomb boats suspected of carrying drugs in international waters. But little is known about who is being killed, and military and legal experts are raising several red flags.