see more

Yemeni Shiite mourners attend the funeral procession of two members of the Shiite Houthi group who were killed the past week in the capital Sanaa, on April 17, 2014. Gunmen killed three people on April 8, 2014 in the attack targeting university professor Ismail al-Wazir, who was lightly wounded, a security official said. AFP PHOTO/ MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)

Yemeni Shiite mourners attend the funeral procession of two members of the Shiite Houthi group who were killed the past week in the capital Sanaa, on April 17, 2014. Gunmen killed three people on April 8, 2014 in the attack targeting university professor Ismail al-Wazir, who was lightly wounded, a security official said. AFP PHOTO/ MOHAMMED HUWAIS        (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)