Unidentified gunmen shot dead a high-ranking intelligence officer in Sanaa late Monday, the state-run Yemeni television reported.
Abdul-illah Al-Ashwal, a colonel in the domestic intelligence service, was gunned downed as he was leaving a mosque in the Safiya district of Sanaa, the broadcaster said, DPA reported.
The masked gunmen who were on motorcycles opened fire on him and left the area at high speed, it added.
Similar assassinations have taken place in recent weeks in Yemen, and it has mainly struck officers and officials who participated in the military operation that targeted al-Qaeda members in the southern province of Abyan.
Islamist militants started taking control of some areas in southern Yemen during the uprising that forced former president Ali Abdullah Saleh from office in February.