Israel's letter, dated 10 March, also available.
Arguments along the same lines as the US letter, citing ongoing hostilities and claiming defensive action.
UN Doc S/2026/162
digitallibrary.un.org/record/41059...
UK Letter (actually dated and published before both US and Israel's letters).
Mentions necessity and proportionality generally, but also that Gulf states have requested UK collective defense.
UN Doc S/2026/140
digitallibrary.un.org/record/41055...
Published yesterday -
US letter to UN Security Council, dated 10 March. Claims force against Iran is "self-defence" Art 51, and "ongoing" conflict since 2025.
Lots to assess on claims. One thing clear - international law is back in the room.
Link to Letter, UN Doc S/2026/161
digitallibrary.un.org/record/4105908