epa06694524 A pro-Houthi Yemeni holds a portrait of late senior Houthi leader Saleh al-Samad, during a rally against his killing by a Saudi-led airstrike, in Sana'a, Yemen, 26 April 2018. According to reports, pro-Houthi Yemenis gathered on the streets of the capital Sana'a to protest the killing of the political leader of Houthi rebels Saleh al-Samad who was killed in a Saudi-led airstrike a week ago.  EPA/YAHYA ARHAB
A pro-Houthi Yemeni holds a portrait of late senior Houthi leader Saleh Al Sammad, during a rally against his killing by a Saudi-led air strike, in Sana'a, Yemen, 26 April 2018. EPA / Yahya Arhab

Saudi-led air strike kills Houthi leaders