The environment ministry has confirmed that thus far no ministry staff have been linked to rhino poaching cases in Namibia, while rhino poaching has declined in national parks over the years. Ministry spokesperson Romeo Muyunda said confiscated rifles from staff in the Etosha National Park and ballistic tests conducted is an investigation with the police and, so far, no staff member has been linked to any poaching case. "Should there be any such case, we will take action including criminal charges against that staff member."