A prominent opposition leader is the main suspect in the attempt to assassinate Yemeni President Ali Abdullah Saleh, a member of the ruling party said in comments published on Monday. Saleh is clinging to power despite months of protests against his 33-year rule that have evolved in some regions into serious armed conflict, increasing fears of anarchy that could be exploited by al Qaeda militants entrenched in Yemen. A bomb blast in Saleh’s palace mosque in June forced him to seek medical treatment in neighbouring Saudi Arabia, where he is still convalescing from extensive burn wounds while impoverished Yemen churns in the throes of a political crisis.