
Oil workers released by a rebel group in South Sudan arrive at the international airport in Khartoum, Sudan, March 30, 2017. The rebel group set free two Indian workers and one Pakistani worker on March 19. (Xinhua/Mohamed Babiker)

Oil workers released by a rebel group in South Sudan arrive at the international airport in Khartoum, Sudan, March 30, 2017. The rebel group set free two Indian workers and one Pakistani worker on March 19. (Xinhua/Mohamed Babiker)