Armed federal agents and contractors have entered land belonging to the Tohono O’odham Nation. This move is to start work on a project, but tribal leaders had previously warned that contractors were not allowed on the reservation.

Further details about this development are available from the source. The situation involves a dispute over authorization to enter the land.

Tribal leaders had given warnings, but agents and contractors still proceeded with their plans, sparking concern about the project's status and the relationship between the parties involved.