European Commission President Ursula von der Leyen warned that the maritime drone was a ‘direct consequence’ of the Russia-Ukraine war.
Published On 5 Jun 2026
A maritime drone has exploded in Romania’s Constanta port, with several other drones discovered nearby.
The Romanian Ministry of National Defence said on Friday that the drone had self-detonated at 10:30am local time (07:30 GMT). The incident is just the latest incursion along NATO’s eastern flank, raising concern over the increasing spillover from Russia’s war on Ukraine to neighbouring states that are part of the Western military alliance.
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The drone exploded near an oil terminal, without causing injuries. Interior Minister Raed Arafat said the port was evacuated after the detonation, and residents along the Black Sea coast were warned to take cover as helicopters surveyed the area for other vessels.
Kyiv later said it had informed Bucharest that Friday’s incident involved a Ukrainian maritime drone that was knocked off course by Russian electronic interference.
“While carrying out missions in the Black Sea operational area, one of the Ukrainian Navy’s unmanned surface vessels came under the influence of the enemy’s electronic warfare systems, lost control, and ended up near the coast of Romania,” the Ukrainian navy said.
Romanian President Nicusor Dan noted on Facebook that this was the “second security incident this week on the Romanian seaside”.
Earlier this week, Romania’s navy detonated a Russian YaRM-type anti-landing mine that had drifted to its Black Sea shore.
Last week, a Russian drone crashed into an apartment building in Romania, increasing fears that the war started by Russia’s invasion of Ukraine in February 2022 increasingly risks spilling over to the region.
European Commission President Ursula von der Leyen warned on Friday that the maritime drone was a “direct consequence” of the Russia-Ukraine war.
“It is increasingly becoming a direct threat to countries on our Eastern border. Our solidarity with every Member State exposed to these threats is absolute,” von der Leyen wrote.
“And our response must match the urgency. Europe is investing massively in anti-drone capabilities, air defence and early warning systems,” she added.
Romania, which shares a 650km (400-mile) land border with Ukraine, has reported dozens of airspace breaches amid the four-year war, generally blaming Russia, and has asked NATO to help it bolster air defences.
The spillover of the war is also affecting non-NATO countries.
Azerbaijan’s Ministry of Foreign Affairs reported on Friday that five of its citizens were killed and three injured after attacks on two cargo vessels, which did not belong to Baku, in the Sea of Azov.
Kyiv said earlier that its drones had hit five ships in the ports of Mariupol and Berdyansk – which sits between Russia and the Russian-occupied eastern regions of Ukraine.
Commander of the Ukrainian drone forces, Robert Brovdi, asserted that the vessels were involved in “stealing” Ukrainian grain and transferring military cargo.
