Saudi-led coalition air strikes and clashes killed at least 176 fighters and civilians in Yemen on Monday, residents and media run by the Houthi movement said, the highest daily toll since the Arab air offensive began more than three months ago. The United Nations has been pushing for a halt to air raids and intensified fighting that began on March 26. Almost 3,000 people have been killed since then as the Arab coalition tries stop the Houthis spreading across the country from the north. The Iran-allied Shi’ite Houthis say they are rebelling against a corrupt government, while local fighters say they are defending their homes from Houthi incursions. Sunni Saudi Arabia says it is bombing the Houthis to protect the Yemeni state.