The coalition has accused the Houthi rebels of using Yemen's Telecommunications Ministry for hostile operations. The Saudi-led alliance also urged civilians to evacuate.
Armed men, suspected to be linked to al-Qaeda, have abducted UN staff in Yemen. They have put forth their demands and talks for the workers' release are ongoing.
The United States on Wednesday threatened Yemen's Huthi rebels with new sanctions after a series of drone and missile attacks on the United Arab Emirates.
The United States will deploy a guided missile destroyer and state-of-the-art fighter jets to help defend the United Arab Emirates after a series of missile attacks by Yemeni rebels, a US statement said Wednesday.