Day 957: Board of Peace Formally Presents Six-Month Gaza Ceasefire Progress Report to UN Security Council — Calls Hamas Demilitarization 'Non-Negotiable'; Hamas Rejects Report; 40 Days to Israel July 1 Accountability Deadline

On May 21, 2026 (Day 957 / Ceasefire Day 224), the Board of Peace chaired by former UN envoy Nickolay Mladenov formally presented its six-month Gaza ceasefire progress report to the UN Security Council in a scheduled high-level session. The presentation brought the Phase Two deadlock to the full Security Council, constituting the most direct multilateral escalation of diplomatic pressure on Hamas since the October 10, 2025 ceasefire began. Mladenov and the Board of Peace formally asked the Security Council to press Hamas to begin the disarmament process, describing Hamas demilitarization as 'non-negotiable' for ceasefire continuity and Gaza reconstruction. The six-month report, published on May 20, identified Hamas as the 'principal obstacle' to Phase Two implementation — citing Hamas's categorical refusal to accept verified decommissioning of offensive weapons, its continued coercive control over Gaza's civilian population, and its refusal to permit a genuine political transition. The UNSC session followed 223 days of ceasefire under which 2,400+ violations had been documented, 857+ Palestinians had been killed since October 10, 2025, and all four Board of Peace Phase Two deadlines had expired without agreement. Israel's control of approximately 60% of Gaza's territory, far beyond the ceasefire Yellow Line, was acknowledged as a separate compliance concern in the report. Hamas, whose new military commander Mohammed Odeh — the former October 7 intelligence planner — had been appointed just three days prior on May 18, rejected the Board of Peace report as a 'dubious attempt to muddy the waters.' Hamas's political bureau, now under Khaled Meshaal following the May 18 internal election results from Gazan members, reiterated its position: no disarmament without guaranteed Israeli withdrawal and a political horizon toward Palestinian statehood. IDF operational plans for a resumed Gaza ground offensive were reported complete, pending US authorization, as the diplomatic window narrowed. The UNSC presentation occurred with 40 days remaining until Israel's Supreme Court July 1, 2026 accountability deadline for the government to establish a credible October 7 investigation framework. The Kallner inquiry bill — which dropped 'independent investigation' language and bars judges — continued advancing toward a late-May first Knesset plenum reading despite opposition from bereaved families, the October Council, and 63% of Israelis surveyed (JPPI poll, May 15) who supported an immediate independent commission.