42 photos: Unrest in Yemen  The sky over Sanaa, Yemen, is illuminated by anti-aircraft fire during a Saudi-led airstrike on Friday, April 17. The coalition's warplanes have been carrying out strikes against Houthi rebels since President Abdu Rabu Mansour Hadi fled the country in late March.  42 photos: Unrest in Yemen  A Yemeni boy holds a rifle as Houthi supporters attend a rally in Sanaa, Yemen, on Sunday, April 5, protesting airstrikes carried out by a Saudi-led coalition against Houthi rebels.  42 photos: Unrest in Yemen  Yemenis dig graves on Saturday, April 4, to bury the victims of a reported airstrike by the Saudi-led coalition in the village of Bani Matar, Yemen.  42 photos: Unrest in Yemen  Yemenis search for survivors in the rubble of houses destroyed by Saudi-led airstrikes on April 4 in a village near Sanaa.  42 photos: Unrest in Yemen  Central Sanaa is covered in dust on Friday, April 3. Airstrikes have turned the bustling capital of Yemen into a ghost town.  42 photos: Unrest in Yemen  A Yemeni man loads a TV set into a van as he prepares to flee Sanaa on Thursday, April 2.  42 photos: Unrest in Yemen  Militiamen loyal to Hadi take positions on a street in Aden, Yemen, on Thursday, April 2. Houthi rebels seized the presidential palace in Aden, a neutral security official and two Houthi commanders in Aden told CNN. The Houthis are Shiite Muslims who have long felt marginalized in the majority Sunni country. The Sunni Saudis consider the Houthis proxies for the Shiite government of Iran and fear another Shiite-dominated state in the region.  42 photos: Unrest in Yemen  A framed photo and a purse hang on the wall of a house destroyed by an airstrike near the Sanaa airport on Tuesday, March 31.  42 photos: Unrest in Yemen  Buildings burn at the Jabal al-Hadid military camp in Aden on Saturday, March 28. Yemeni military officials said an explosion rocked the camp that houses a weapons depot, killing and wounding several people. The camp reportedly had been taken by security forces loyal to former Yemeni President Ali Abdullah Saleh. Some of the forces aligned with the Houthis are also loyal to Saleh, who resigned in 2012 after months of Arab Spring protests.  42 photos: Unrest in Yemen  Yemeni supporters of the Houthi movement attend a demonstration against Saudi military operations Thursday, March 26, in Sanaa.  42 photos: Unrest in Yemen  People search for survivors under the rubble of houses destroyed by airstrikes near the Sanaa Airport on March 26.  42 photos: Unrest in Yemen  Members of Yemen's General People's Committee deploy in Aden, Yemen, on Wednesday, March 25. The militiamen are loyal to Hadi.  42 photos: Unrest in Yemen  42 photos: Unrest in Yemen  Yemenis stand in front of burning tires during an anti-Houthi protest in Taiz, Yemen, on Tuesday, March 24.  42 photos: Unrest in Yemen  Medics treat an anti-Houthi protester who was injured during clashes with pro-Houthi police in Taiz on March 24.  42 photos: Unrest in Yemen  Armed men inspect damage after an explosion at the Al Badr mosque in Sanaa on Friday, March 20.  42 photos: Unrest in Yemen  A man in Aden holds a police shield that he looted from a base belonging to forces loyal to Saleh on Thursday, March 19.  42 photos: Unrest in Yemen  42 photos: Unrest in Yemen  Supporters of Ahmed Ali Abdullah Saleh, the son of the former President, wave banners and shout slogans during a demonstration in Sanaa on Tuesday, March 10. The demonstrators were demanding presidential elections be held and that the younger Saleh run for office.  42 photos: Unrest in Yemen  A child raises his fist during a rally by Houthi supporters in Sanaa on Friday, March 6.  42 photos: Unrest in Yemen  Thousands of armed Yemeni tribal members gather in the southern province of Shabwa on Monday, February 23.  42 photos: Unrest in Yemen  Supporters of the separatist Southern Movement perform prayers during a demonstration in Aden on Friday, February 13.  42 photos: Unrest in Yemen  Houthi fighters guard the gate of the presidential palace where a bomb went off and wounded three people in Sanaa on Saturday, February 7.  42 photos: Unrest in Yemen  Yemeni soldiers guard the presidential palace in Sanaa on Friday, February 6.  42 photos: Unrest in Yemen  Members of the Houthi movement and their allies attend a meeting in the Yemeni capital on Sunday, February 1.  42 photos: Unrest in Yemen  Supporters of the separatist Southern Movement flash the victory sign after they seized police security checkpoints on Saturday, January 24, in Ataq, the capital of the Shabwa province in Yemen. Policemen were told to give up their weapons and return to their bases before the militiamen raised flags of the formerly independent South Yemen at the checkpoints.  42 photos: Unrest in Yemen  Houthi rebels fight with Yemeni protesters during a rally in Sanaa on January 24. Thousands of Yemenis took to the streets of Sanaa in the largest demonstration against Houthis since the Shiite militiamen overran the capital in September.  42 photos: Unrest in Yemen  On Friday, January 23, Houthis carry coffins of those killed during recent clashes with presidential guard forces in Sanaa.  42 photos: Unrest in Yemen  A Houthi militiaman sits near a tank near the presidential palace in Sanaa on Thursday, January 22.  42 photos: Unrest in Yemen  Houthi men wearing army uniforms stand guard on a street leading to the presidential palace in Sanaa on Wednesday, January 21.  42 photos: Unrest in Yemen  A wounded man rests at a hospital in Sanaa on January 21. He was reportedly injured in fierce clashes the previous day.  42 photos: Unrest in Yemen  A tank is stationed in front of the Sanaa house of President Abdu Rabu Mansour Hadi on January 21.  42 photos: Unrest in Yemen  A Houthi rebel mans a checkpoint near the presidential palace on January 21.  42 photos: Unrest in Yemen  A man walks inside a heavily damaged house near the presidential palace on Tuesday, January 20.  42 photos: Unrest in Yemen  A woman walks past closed shops in Sanaa on January 20.  42 photos: Unrest in Yemen  An armed member of the Houthi movement stands guard in the streets of Sanaa on January 20.  42 photos: Unrest in Yemen  A man surveys his damaged home in Sanaa on January 20.  42 photos: Unrest in Yemen  Houthis inspect a damaged mosque in Sanaa on January 20.  42 photos: Unrest in Yemen  Houthi men raise their weapons during clashes near the presidential palace on Monday, January 19.  42 photos: Unrest in Yemen  Smoke and flames rise in Sanaa during heavy clashes between presidential guards and Houthi rebels on January 19.  42 photos: Unrest in Yemen  Tribal soldiers protecting the city from Houthi rebels stand guard at the city borders in Marib, Yemen, on January 19.  42 photos: Unrest in Yemen  Houthi men guard a Sanaa street on January 19.
Iran-Saudi tensions: Iran's Foreign Ministry says warplanes from a Saudi Arabia-led coalitionstruck and damaged Iranian Embassy in Yemen.