karachi - A Pasban rally demanding Dr Aafia Siddiqui’s exoneration, who is in a US jail, clashed with riot police leaving scores of activists injured. Several participants including Aafia’s elder sister Dr Fauzia Siddiqui and Pasban President Altaf Shakoor were arrested on Friday. The rally, bound for US Consulate, was intercepted by riot police on Abdullah Haroon Road. Police used water-cannon, baton, and teargas to disperse the crowd.