Dozens of Houthi rebels have been killed in an ambush in Bayda province, south of the capital Sanaa. They were attacked by tribesmen on a mountain in the city of Radaa.
Further south, a separatist movement is also growing fueled by sectarian tensions.
Al Jazeera's Omar al-Saleh reports from the southern seaport city of Aden.
Source: Al Jazeera