UN chief urges lasting ceasefire as Russia and Ukraine announce temporary truce

António Guterres calls for full and unconditional peace as both sides declare short-term ceasefires.

António Guterres speaks during a United Nations Security Council meeting at UN headquarters in New York.
António Guterres speaks during a United Nations Security Council meeting on Ukraine at UN headquarters in New York on September 23, 2025. Photo by Kena Betancur/AFP/Getty Images

United Nations Secretary-General António Guterres has expressed cautious optimism following the announcement of temporary ceasefires by Russia and Ukraine, while reiterating his call for a comprehensive and lasting end to the conflict.

The developments come amid continued hostilities between the two countries, with both sides signaling limited pauses in fighting over specific dates in early May. While these announcements have been welcomed as a potential step toward de-escalation, the United Nations has emphasized that only a sustained and unconditional ceasefire can pave the way for meaningful peace.

Speaking to reporters, UN spokesperson Stéphane Dujarric confirmed that Guterres supports the implementation of the temporary measures but stressed that they fall short of what is required to resolve the conflict.

“I can tell you that we welcome the unilateral ceasefire announced by Ukraine that will begin on the evening of May 5 and run through May 6, as well as the ceasefire announced by the Russian Federation, which will last on May 8 and May 9,” Dujarric said.

He added that the Secretary-General hopes both ceasefires will be implemented successfully, highlighting the importance of even limited pauses in violence in reducing immediate humanitarian risks.

However, Guterres also used the moment to reiterate a broader appeal. According to Dujarric, the UN chief called for “a full, immediate, unconditional, and lasting ceasefire,” one that would align with the principles of the UN Charter, international law, and relevant UN resolutions.

This position reflects the United Nations’ longstanding stance on the conflict, which has consistently emphasized diplomacy, adherence to international norms, and the protection of civilians as central to any resolution.

The announcements from Moscow and Kyiv come against the backdrop of a protracted war that has had far-reaching consequences, not only for the two countries directly involved but also for global security, energy markets, and food supply chains.

The Russian Defense Ministry said on Monday that it would observe a ceasefire on May 8 and May 9. The dates coincide with commemorations of the Soviet Union’s victory in what Russia refers to as the Great Patriotic War, a term used to describe its role in World War II.

Moscow indicated that the pause in hostilities was intended to mark the occasion and expressed hope that Kyiv would reciprocate by observing a similar ceasefire during the same period.

For its part, Ukraine has already announced its own temporary ceasefire, set to take place overnight from May 5 to May 6. President Volodymyr Zelenskyy confirmed the decision, framing it as a humanitarian gesture.

The timing and duration of the two ceasefires differ, underscoring the lack of coordination between the parties. Nevertheless, the fact that both sides have independently announced pauses in fighting has raised cautious hopes among international observers that such measures could create space for further diplomatic engagement.

Analysts note that temporary ceasefires, even when limited in scope, can serve multiple purposes. They may allow for the delivery of humanitarian aid, the evacuation of civilians from conflict zones, and the repair of critical infrastructure. They can also act as confidence-building measures, signaling a willingness—however tentative—to reduce hostilities.

However, past experience suggests that such pauses are often fragile and may not lead to broader agreements. Violations, mistrust, and differing strategic objectives have frequently undermined attempts to extend temporary ceasefires into lasting arrangements.

The United Nations has repeatedly called for mechanisms to monitor and enforce ceasefires, as well as for inclusive negotiations that address the underlying causes of the conflict. Without such frameworks, temporary pauses risk becoming isolated events rather than steps toward resolution.

From a humanitarian perspective, the need for sustained relief remains urgent. The conflict has resulted in significant civilian casualties, widespread displacement, and extensive damage to infrastructure. Access to essential services, including healthcare, water, and electricity, remains disrupted in many areas.

Humanitarian organizations have stressed that even short ceasefires can provide critical windows for assistance, but they also emphasize that long-term solutions are necessary to address the scale of the crisis.

The geopolitical implications of the conflict continue to reverberate globally. The war has influenced energy prices, disrupted agricultural exports, and reshaped security dynamics across Europe and beyond. As a result, international stakeholders have a strong interest in promoting de-escalation and supporting diplomatic efforts.

Guterres’ call for a comprehensive ceasefire reflects this broader context. By emphasizing adherence to international law and UN resolutions, the Secretary-General is underscoring the need for a rules-based approach to conflict resolution.

At the same time, achieving such an outcome remains challenging. The positions of the parties involved have often diverged significantly, with disagreements over territory, security guarantees, and political arrangements complicating negotiations.

Diplomatic initiatives have been pursued at various levels, involving regional and global actors. However, progress has been uneven, and sustained breakthroughs have proved elusive.

In this environment, the role of the United Nations is both symbolic and practical. While it does not have the authority to enforce a ceasefire unilaterally, it can facilitate dialogue, coordinate humanitarian efforts, and advocate for adherence to international norms.

The Secretary-General’s statements are therefore part of a broader effort to keep the focus on peaceful resolution and to encourage all parties to engage constructively.

The coming days will be critical in determining whether the announced ceasefires are implemented as planned. Observers will be watching closely for signs of compliance, as well as for any indications that the pauses could be extended or expanded.

For civilians affected by the conflict, even temporary relief can make a significant difference. Reduced hostilities can mean safer conditions, access to aid, and a brief respite from the daily realities of war.

Yet the ultimate goal remains a durable peace. Temporary ceasefires, while valuable, are not substitutes for comprehensive agreements that address the root causes of the conflict and provide a framework for long-term stability.

Guterres’ message reflects this dual perspective: welcoming immediate steps that reduce violence while maintaining pressure for a more ambitious and lasting solution.

As the international community continues to monitor developments, the emphasis remains on translating short-term measures into meaningful progress. Whether the current ceasefires will contribute to that objective is uncertain, but they represent a moment of opportunity in an otherwise entrenched conflict.

For now, the United Nations is urging all parties to honor their commitments, protect civilians, and seize any opening that could lead to a broader cessation of hostilities.

The path to peace remains complex and fraught with challenges, but incremental steps—if sustained and built upon—can help lay the groundwork for a more stable and secure future.

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