Nobel Peace Prize winner Malala Yousafzai urged Muslim leaders on Sunday to back efforts to make gender apartheid a crime under international law, and called on them to speak out against Afghanistan's Taliban over its treatment of women and girls.

Nobel Peace Prize laureate Malala Yousafzai urged Muslim leaders on Sunday not to "legitimise" the Afghan Taliban government and to "show true leadership" by opposing their curbs on women and girls' education.

Nobel Peace Prize laureate Malala Yousafzai said she was "overwhelmed" to be back in her native Pakistan on Saturday, as the prime minister launched a global summit on girls' education in the Islamic world.