More fighting, air strikes in Yemen, civilian death toll exceeds 550
Fighting between Yemen's warring factions raged in southern and central parts of the country and air strikes hit Houthi militia forces in Aden on April 25, but there were no fresh moves toward dialogue.
Saudi Arabia says it is winding down its month-old bombing operation against the Iran-allied Houthis and forces loyal to Yemen's former president. But Riyadh pounded targets with at least 20 airstrikes across Yemen on April 23 and 10 more on April 24.
The civilian death toll from the fighting and airstrikes since the bombing started on March 26 has reached an estimated 551 people, the United Nations said on April 24. Its children's agency UNICEF said at least 115 children were among the dead.
Washington and other Western countries backing the Saudi-led aerial campaign have grown increasingly worried about the humanitarian crisis on the ground and also about the risk of Sunni Muslim jihadist groups taking advantage of the chaos.
Islamic State, which has had little presence in Yemen, released late on April 23 a video it said showed members of the group in the country conducting military exercises and pledging to attack the Houthis, who are from the Zaydi Shi'ite sect.
Saudi Arabia has called a meeting with major UN aid agencies and others to discuss improving aid deliveries to Yemen, which have been hindered by the naval blockade, Saudi officials and UN sources said.
Violent clashes continued between the Houthis and local militias near the Khor Maksar district of Aden on April 24, residents said, as well as in Taiz and al-Dhala.
Heavy fighting in Marib province east of the Yemeni capital Sanaa killed 15 people, tribal sources there said, as the Houthi militia and forces loyal to former president Ali Abdullah Saleh tried to advance into the rugged Sirwah district.