Tribesmen loyal to the Houthi movement hold their weapons as they attend a gathering to mark 1,000 days of the Saudi-led military intervention in the Yemeni conflict, in Sanaa, Yemen December 21, 2017. (Reuters/Mohamed al-Sayaghi)
Tribesmen loyal to the Houthi movement hold their weapons as they attend a gathering to mark 1,000 days of the Saudi-led military intervention in the Yemeni conflict, in Sanaa, Yemen December 21, 2017. (Reuters/Mohamed al-Sayaghi)

In Houthi-controlled Yemen, silence, exile, or detention; at least 13 journalists held