JOHANNESBURG (AP) — A ranger and two other employees of South Africa’s parks service were arrested on suspicion of rhino poaching in the country’s flagship wildlife reserve, the agency said Monday.

The three suspects were found with a hunting rifle and ammunition in the Lower Sabie area of Kruger National Park, which has been hit hard by rhino poachers, many of whom cross over from neighboring Mozambique, the South African National Parks service said in a statement. The arrests Sunday came after a recently killed rhino was found in the area, the agency said.