Riots erupted in Zanzibar’s Stone Town and Tanzania’s commercial city of Dar es Salaam Wednesday following the arrest and disappearance of Muslim clerics. According to information posted by the US Embassy in Tanzania on its website, there have been roadblocks, tyre burning, rock throwing and rioting in Darajani, Mbuyuni and Kisonge in Zanzibar following the disappearance of Sheikh Farid Haji.