How the Diplomatic Escalation Between Russia and Azerbaijan Revealed a New Order in the Caucasus
In late June and early July 2025, relations between Russia and Azerbaijan reached their lowest point since the collapse of the USSR. The trigger was a series of police raids in Yekaterinburg, during which two Azerbaijani brothers, Ziyaddin and Huseyn Safarov, died in custody. Moscow cited health-related causes, but Baku claimed it was torture driven by ethnic animosity and launched a criminal investigation against unnamed Russian officials. The incident galvanized public opinion in Azerbaijan, and authorities swiftly suspended all bilateral political and cultural contacts.
Russia’s response rested on denying systemic responsibility, blaming “individual failures.” However, this ad-hoc explanation did little to placate Azerbaijan, which responded with a sharp reciprocal move: on June 30, Azerbaijani police raided the offices of Sputnik Azerbaijan and detained several editors, including Igor Kartavikh and Yevgeny Belousov. In the same wave, about fifteen Russian citizens were arrested on charges ranging from cyber fraud to drug smuggling. Moscow labeled the move as “hostile” and demanded the immediate release of the journalists.
The diplomatic exchange of notes soon took on a tone rarely heard between countries that still formally claim to maintain a “strategic partnership.” Russia’s Ministry of Foreign Affairs summoned Ambassador Rahman Mustafayev, while the Azerbaijani side issued a formal protest to the Russian chargé d’affaires in Baku the same day. A key point of contention became access by consular representatives to the detained citizens; Baku restricted it, further deepening mistrust.
The current crisis is rooted in the long-term shift in the balance of power in the South Caucasus. Azerbaijan’s military victory in the 2020 war allowed it to emerge as the dominant player, with Turkey’s logistical, intelligence, and political support playing a decisive role. Russia’s peacekeeping mission in Karabakh, once a guarantee of Kremlin influence, is now seen in Baku as a temporary obligation, whose extension depends on the will of the victor rather than Moscow’s negotiating power.
Additionally, the energy landscape has changed dramatically. As Europe has rapidly diversified its energy sources since February 2022, Azerbaijani gas exports via the Trans-Anatolian and Trans-Adriatic pipelines have gained strategic value for Brussels. This strengthens Baku’s leverage against Moscow while earning it political capital in both Brussels and Washington. This combination—military success, energy revenues, and a wider range of partners—gives Azerbaijan the confidence to act more assertively toward traditionally dominant Russia.
Historical grievances further burden relations. For decades, Moscow was Armenia’s security guarantor, which Baku viewed as favoritism. In recent years, a series of incidents—from reports of Azerbaijani migrants being recruited to fight in Ukraine to the downing of a passenger plane over Kazakhstan in December 2024, for which Baku’s investigation blamed Russian air defenses—have reinforced the perception that the Kremlin avoids taking full responsibility for actions harming Azerbaijani citizens.
Third parties have responded with varying intensity. Turkey, cautious not to disrupt its tactical cooperation with Russia in Syria and the Black Sea region, officially calls for dialogue but simultaneously deepens defense coordination with Baku. Iran, traditionally sensitive to the Turkish-Israeli axis north of its border, publicly maintains a neutral stance, though state media echo Moscow’s rhetoric. The European Union and the U.S. see an opportunity to strengthen their diplomatic foothold in the region: Brussels is already offering technical assistance in the forensic investigation of the Yekaterinburg case, while Washington is intensifying security talks with Azerbaijan’s defense minister.
An immediate military conflict between Russia and Azerbaijan remains unlikely. Russia is tied up in the war in Ukraine, and Azerbaijan has no interest in provoking a confrontation with a nuclear power. Still, the geopolitical consequences could be profound. Russia may lose its role as the main arbiter in the Caucasus, while the EU and U.S. step in to fill the vacuum. A potential peace agreement between Baku and Yerevan, which has been under European mediation for months, now seems more likely to be signed without Moscow’s guarantee.
Fundamentally, Russia’s role as the security guarantor of the Nagorno-Karabakh process is eroding. The mandate of Russian peacekeepers expires at the end of 2025; Baku is increasingly signaling that it sees no need for an extension. In that case, Armenia would be left without Russia’s protective umbrella, facing a dilemma: deepen cooperation with the West or renew dependence on Moscow. The Kremlin could respond with pressure via Iran or support for pro-Russian factions within Armenia.
Economic consequences are also at play. Russian markets are a crucial source of remittances for about two million Azerbaijanis working in Russia. Escalation could lead to administrative barriers, deportations, or restrictions on money transfers, directly affecting Azerbaijan’s domestic consumption. At the same time, Baku holds leverage over the Russian-Iranian North–South transport corridor; any restriction on freight traffic would raise the cost of Russian exports to the Indian Ocean.
In energy markets, risk perception is key. The main oil and gas routes from Azerbaijan bypass Russia, but cyber sabotage or proxy actions via Iran cannot be ruled out. European companies are thus considering additional safeguards, including storage capacities in Italy and Greece and long-term contracts with TAP. Paradoxically, the deeper the rift between Moscow and Baku, the stronger the European incentives for cooperation with Azerbaijan.
Regional security is undergoing redefinition. If Baku succeeds in removing Russian peacekeepers while simultaneously securing a peace deal with Armenia, the South Caucasus will—for the first time in thirty years—enter a phase without a formal Russian military presence. Such a scenario would transform the security architecture of the post-Soviet space: Ankara would become the main military patron of Baku, the EU the political sponsor of Armenian-Azerbaijani normalization, and Iran and Russia reduced to actors with limited influence.
The internal dynamics of both countries remain an open question. In Russia, growing social discontent, fueled by economic pressures and mobilization for the war in Ukraine, creates fertile ground for xenophobic narratives that easily target non-Slavic minorities. Any new abuse of Azerbaijanis could ignite further diplomatic crises. In Azerbaijan, the government is using its tough stance toward Moscow to consolidate national unity, but it must also maintain good relations with Iran and manage a sensitive peace process with Armenia.
The escalation between Russia and Azerbaijan reflects a broader redistribution of power in the Caucasus. Strengthened by military victory and energy revenues, Baku seeks to reduce its dependence on Moscow and assert itself as an autonomous regional actor, while Russia finds itself fighting a major war and losing influence along its southern borders. Developments in the coming months—whether the Russian peacekeeping mission is extended or terminated, the fate of the Azerbaijani diaspora, and the pace of European energy alignment with Azerbaijan—will determine whether this crisis remains a short-lived episode or permanently reshapes the security architecture of the South Caucasus.
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