Tun Doctor Mahathir Mohammad announced his resignation from UMNO to a cheering supporters in Kedah. Dr Mahathir, 82, said he will only come back when there is change in leadership. He said it resigned in protest against Datuk Seri Abdullah Badawi’s poor leadership. He was Malaysia’s Prime Minister for 22 years before he handpicked Abdullah for the job. Mahathir joined UMNO at its inception in 1946. After the 13 May 1969 riots, Mahathir was sacked for his letter to first Prime Minister Abdul Rahman criticising the latter’s handling the country’s administration.