Security Council Resolution 2393 (Preamble)

[...] Strongly condemning the arbitrary detention and torture of individuals in Syria, notably in prisons and detention facilities, a s well as the kidnappings, abductions, hostage-taking and forced disappearances, and demanding the immediate end of these practices and the release of all arbitrarily detained persons starting with women and children, as well as sick, wounded and elderly people and United Nations and humanitarian personnel and journalists, [...] Expressing grave concern at the more than 5.4 million refugees, including more than 3.9 million women and children, who have fled Syria as a result of ongoing violence, and recognizing that the continued severity of the devastating humanitarian situation in Syria is further contributing to the movement of refugees and poses risks to regional stability,