www.thelancet.com/lancetgh Published online March 21, 2016 http://dx.doi.org/10.1016/S2214-109X(16)00070-X 1 denounce unlawful behaviour, engage with armed groups and affected populations to encourage compliance with the Geneva Conventions, and reconfirm the legitimacy of international humanitarian law. By doing so, the sanctity of humanitarian action can be upheld and human itarian actors and ...