The new conflict comes just two weeks after the mining firm resumed operations following another protest that forced Las Bambas to shut down for more than 50 days.
Queensland's bigger-than-expected hike in coal royalties could embolden other Australian states and resources-heavy countries around the world to make similar moves.
An administrator appointed by a Congolese court to run the world's second-largest cobalt mine took control of the project's bank accounts after CMOC refused him access to the mine.