VOICER Shiites protest demanding release of militiamen

The transcript describes a noisy demonstration heading towards a British army base in Basra, Iraq, demanding the release of local militiamen. Concerns arose about the demonstrators' intentions, especially after recent incidents that increased tensions in the area. The demonstrators, angry over the detention of Sada Brigade members, believed British and U.S. troops could no longer maintain security. Despite U.S. plans to create a new militia, impromptu attempts were discouraged. The demonstration ended peacefully, but the issue of local militias remains unresolved.

What belief led to the decree made by the local Shiite council regarding the militias?

What was the outcome of the demonstration, and what issue remains unresolved?