UN Secretary-General Calls for Immediate, Unconditional Ceasefire in Ukraine

On 24 February 2026, UN Secretary-General António Guterres addressed the Security Council on the fourth anniversary of Russia's full-scale invasion of Ukraine, calling for an "immediate, full and unconditional ceasefire" as the first step toward a just peace.

Key takeaways:

The Secretary-General noted that SC Resolution 2774 (2025) — adopted a year ago — urged a "swift end to the conflict" and a "lasting peace." He commended ongoing US-led diplomatic efforts and stressed that any peace must uphold Ukraine's sovereignty, independence, and territorial integrity within its internationally recognized borders, in accordance with the UN Charter.

Guterres condemned continued Russian strikes against Ukraine's civilian energy infrastructure, which intensified over the winter of 2025/26, as well as reported Ukrainian strikes affecting Russian civilians. He reiterated that attacks on civilian infrastructure violate international humanitarian law and called for an immediate moratorium on all such attacks.

The statement also flagged ongoing nuclear safety risks at Ukrainian nuclear sites and urged humane treatment of prisoners of war and the return of forcibly transferred Ukrainian children.

Why it matters: The Secretary-General's explicit framing — peace within internationally recognized borders, in line with the UN Charter — reaffirms the legal baseline against which any future sanctions relief, winding-down provisions, or license frameworks would be measured. As diplomatic efforts intensify, compliance teams should monitor whether any ceasefire arrangement triggers review mechanisms in existing EU, US, or UK sanctions regimes.

Source: UN Press Release SG/SM/23028, 24 February 2026.