
SANAA, YEMEN - DECEMBER 04: Houthis take security measures as they build up checkpoints at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis take security measures as they build up checkpoints at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis take security measures as they build up checkpoints at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis take security measures as they build up checkpoints at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis capture military vehicles of Former Yemeni President Ali Abdullah Saleh' supporters at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis capture military vehicles of Former Yemeni President Ali Abdullah Saleh' supporters at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis capture military vehicles of Former Yemeni President Ali Abdullah Saleh' supporters at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: A Houthi man with a rifle is seen at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 04: Houthis take security measures as they build up checkpoints at Former Yemeni President Ali Abdullah Saleh's residential building in Hadda neighborhood of Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Abdullah Homran - Anadolu Agency )

SANAA, YEMEN - DECEMBER 4: Fire fighters try to extinguish fire at the shopping mall after clashes between Houthis and Former Yemeni President Ali Abdullah Saleh' supporters in capital Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Mohammed Hamoud - Anadolu Agency )

SANAA, YEMEN - DECEMBER 4: Fire fighters try to extinguish fire at the shopping mall after clashes between Houthis and Former Yemeni President Ali Abdullah Saleh' supporters in capital Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Mohammed Hamoud - Anadolu Agency )

SANAA, YEMEN - DECEMBER 2: Houthis take security measures as they placed a tank at a checkpoint on the route to Former Yemeni President Ali Abdullah Saleh's residential building in capital Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Mohammed Hamoud - Anadolu Agency )

SANAA, YEMEN - DECEMBER 2: Houthis take security measures as they placed a tank at a checkpoint on the route to Former Yemeni President Ali Abdullah Saleh's residential building in capital Sanaa, Yemen on December 04, 2017. Former Yemeni President Ali Abdullah Saleh was killed on Monday by Houthi militiamen. ( Mohammed Hamoud - Anadolu Agency )