Between 27 and 30 September 1999, seven activists, including Keadilan leaders; Vice-President Tian Chua, N. Gobalakrishnan, Youth leader Mohd Ezam Mohd Nor, Mohamed Azmin Ali, Fairus Izuddin and Dr Badrul Amin Baharun; were arrested and as a result prevented from contesting in the elections.[9] Further arrests were made on 10 April 2001 and those arrested were subsequently charged and incarcerated under the Internal Security Act.[10] They became known as the Reformasi 10.[11]