A/HRC/13/36 The present report highlights the need to protect and promote all human rights and to maintain effective counter-terrorism measures. These are mutually reinforcing objectives that must be pursued together as part of the duty of States to protect human rights. It outlines the High Commissioner’s activities regarding counter-terrorism measures and her role in the implementation of the United Nations Global Counter-Terrorism Strategy and its Plan of Action. It concludes with the identification of challenges related to complying with human rights obligations, in particular the issues of accountability, ending impunity and effective remedies in the context of countering terrorism. 2 GE.10-10442