Photos: Conflict in Yemen

Smoke billows from a Saudi-led airstrike on Sana, Yemen, on April 8.   (Hani Mohammed / Associated Press)

People flee after a Saudi-led airstrike in Sana, Yemen, on April 8.  (Hani Mohammed / Associated Press)

A Yemeni fighter opposing Houthi rebels fires his weapon in the southern Yemeni city of Aden as clashes continue to rage in the embattled city on April 8.   (Saleh Al-Obeidi / AFP/Getty Images)

A Yemeni child stands beside jugs of water from a philanthropist-provided water tap in Sana, Yemen, on April 7. Many Yemenis are facing shortages of water and food.   (Yahya Arhab / EPA)

Yemeni women visit the graves of relatives of Houthi supporters who were allegedly killed during recent fighting, at a cemetery in Sana, Yemen, on April 5.  (Yahya Arhab / EPA)

Armed Yemeni supporters of the separatist Southern Movement hold a position at the northern entrance of Yemeni port city of Aden on April 4.  (Saleh Al-Obeidi / AFP/Getty Images)

Yemenis inspect the rubble of destroyed houses in the village of Bani Matar, 43 miles west of Sana, on April 4, a day after it was reportedly hit by an airstrike by the Saudi-led coalition.   (Mohammed Huwais / AFP/Getty Images)

Yemenis dig graves to bury the victims of a reported airstrike by the Saudi-led coalition against Shiite Houthi rebel positions in the village of Bani Matar on April 4.  (Mohammed Huwais / AFP/Getty Images)

A supporter of the Shiite Houthi militia attends a demonstration in Yemen’s second-largest city of Taez on April 3.  (Abdel Rahman Abdallah / AFP/Getty Images)

Yemeni supporters of the Shiite Houthi militia attend an April 1 demonstration in the second-largest city of Taiz to protest Saudi-led strikes against the Houthi rebels in Yemen.  (Abdel Rahman Abdallah / AFP/Getty Images)

Tribal gunmen deface a portrait of Yemeni President Abedrabbo Mansour Hadi with shoes in the capital Sana, during an April 1 demonstration against Saudi-led airstrikes against the Houthi rebels in Yemen.   (Mohammed Huwais / AFP/Getty Images)

Yemenis gather near the rubble of houses destroyed by an airstrike from Saudi-led coalition warplanes near Sana Airport on March 31.   (Mohammed Huwais / AFP/Getty Images)

Men carry the body of a child they uncovered from rubble of houses destroyed by Saudi airstrikes near Sana Airport in Yemen on March 26.   (Hani Mohammed / Associated Press)

An armed member of the Houthi militia keeps watch as people gather beside vehicles that were allegedly destroyed by a Saudi airstrike in Sana, Yemen, on March 26.  (Yahya Arhab / EPA)

Yemeni civilians and security forces search for survivors after a Saudi airstrike against Houthi rebels on March 26.  (Mohammed Huwais / AFP/Getty Images)

Yemeni civilians and security forces search for survivors in the rubble of buildings destroyed during Saudi airstrikes near Sana Airport on March 26.  (Mohammed Huwais / AFP/Getty Images)

A Yemeni man wearing military fatigues sits amid debris at the site of a Saudi airstrike against Houthi rebels near Sana Airport on March 26.  (Mohammed Huwmoais / AFP/Getty Images)

Yemeni civilians stand at the site of a Saudi airstrike against Houthi rebels near Sana Airport on March 26.  (Mohammed Huwais / AFP/Getty Images)