Post-incident UAE sent its security forces to the area as part of a search operation.
"The suicide bomber killed him on the spot and an exchange of gunfire was heard in the area", Xinhua quotes a witness as saying.
The conflict in Yemen, which began in 2014, has claimed more than 100,000 lives so far. Saleh was overthrown in the ensuing conflict and had reportedly fled to Saudi Arabia for a while.
The fighting further intensified in 2015, when clashes broke out between the present Yemeni President Abdrabbuh Mansur Hadi's government forces and Former Yemen president Ali Abdullah Saleh loyalist forces.
The Saudi-led coalition forces, which is backed by the United States, has interfered in the conflict upon Hadi's request since then, and are carrying out regular airstrikes against the Houthi rebels.(ANI)