Despite the sense of a natural fit between human security concepts and humanitarian principles they have enjoyed a difficult relationship. Human security perspectives have the potential to interfere with the traditionally apolitical nature of humanitarianism in conflict situations, leading to a blurring of the boundaries between politico-military interventions and those designed primarily to reduce suffering. In another sense the emphasis on human security has legitimised the idea of armed international intervention as a "moral duty" if states are deemed incapable or unwilling of protecting their citizens. Similarly the adoption of 'holistic' security and development strategies within UN Integrated peacekeeping missions is viewed by some as having the potential to compromise humanitarian principles.