Commissioner of the Guyana Lands and ... the agency is reviewing the dispute raised by the residents of Jawalla who say that miners are encroaching on their land and destroying the environment.

Guyana made its arguments as to why the International Court of Justice has jurisdiction in the border dispute, which calls into question the ownership of more than half of the ex British colony.

The territory, known as Guayana Esequiba, comprises more than two-thirds of Guyana’s territory and is home to 283,000 of the country’s population. The territorial dispute has been aggravated ...