Complying with IHL in large-scale conflicts: movement, mass displacement and family links

By the end of 2024, the Office of the United Nations High Commissioner for Refugees estimated that 123.2 million people worldwide were forcibly displaced as a result of persecution, conflict, violence, human rights violations and events seriously disturbing public order. If a large-scale conflict erupts, the intensity, scale and tempo of military operations will only worsen this trend, impacting not only those displaced but also receiving communities, and potentially those staying behind. International humanitarian law’s (IHL) rules seek to prevent displacement due to armed conflict – while respecting people’s agency and genuine will to move – and to reduce harms to civilians, including displaced populations. In this post, part of the “Complying with IHL in large-scale conflict” series, ICRC Legal Advisers Matt Pollard and Helen Obregón explore the humanitarian challenges related to movement, mass displacement and the rupturing of family ties that would inevitably arise in such conflicts. It also looks at some of the practical measures that states can – and should – take to be prepared to meet these challenges and to comply with their obligations under IHL and under other relevant bodies of international law. Advance planning, already in peacetime, is essential for IHL to provide effective protection if such a conflict breaks out.

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Complying with IHL in large-scale conflicts: movement, mass displacement and family links is an episode from ICRC Humanitarian Law and Policy Blog by ICRC Humanitarian Law & Policy Blog.

This episode is 00:18:07 long.

This episode was published on Apr 16, 2026.

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