South Sudan has criticized the revocation of U.S. visas for all its nationals as unfair and said it was based on an incident that didn't involve one of its citizens but another African national. U.S.

The Trump administration’s revocation of all visas held by South Sudanese nationals comes as the East African nation faces the threat of renewed war.

Secretary of State Marco Rubio said the U.S. decided to revoke all visas for South Sudanese citizens because the country's government failed to accept the return of its citizens being removed from the U.