TOPSHOT - Fighters loyal to Yemen's President Abedrabbo Mansour Hadi celebrate after they managed to secure completely and take control of the port of the southern city of Aden, on January 4, 2016. Authorities in Aden imposed a curfew after fierce battles in the port of Aden that killed 17 people, among them nine members of the security forces including a colonel, the security sources said.   / AFP / SALEH AL-OBEIDI        (Photo credit should read SALEH AL-OBEIDI/AFP/Getty Images)