British Prime Minister Andy Burnham said the United Kingdom would continue supporting Ukraine, rejecting a warning from Russia over British-made drones used in strikes inside Russian territory. Burnham described Britain as a dependable partner and said its assistance was intended to help Ukraine defend itself.

The Russian Embassy in London had accused the UK of escalating the conflict and said deeper British involvement would carry consequences. It did not specify what action Moscow might take. Russia has repeatedly criticized London for supplying weapons and military technology to Kyiv, including Storm Shadow missiles and drones.

The latest exchange followed Ukrainian long-range attacks on targets in Russia, including oil refineries, logistics sites and warehouses belonging to online retailer Wildberries. A British military source confirmed to the BBC that UK-produced drones had been used in recent attacks. Two British companies are known to have manufactured drones supplied to Ukraine.

Britain has been a prominent military and political supporter of Kyiv since Russia began its full-scale invasion in February 2022. The Ministry of Defence said the government remained committed to providing equipment Ukraine needs to resist the invasion. Burnham also pointed to continuity with previous British governments, saying the policy had not changed under his leadership. His first overseas visit as prime minister, in July, was to Kyiv.

The intensifying long-range campaign has brought the war further into Russian territory. Russian officials reported hundreds of Ukrainian drones directed toward the Moscow region over several days, while authorities described casualties and damage in residential and commercial areas. Ukraine has also expanded its domestically produced drone and missile capabilities alongside imported systems.

At the same time, Russian attacks continued across Ukraine. The BBC reported deaths in Pechenihy, Sumy, Zaporizhzhia and Kherson, while United Nations figures showed a high civilian toll in the preceding month. Russia controlled roughly one-fifth of Ukrainian territory, although the battlefield front had moved little for months.

The dispute underscored the risks surrounding Western-supplied weapons as Ukraine tries to disrupt Russian fuel, transport and military infrastructure. Moscow framed their use as direct Western escalation; London maintained that its role was to enable Ukrainian self-defence. Burnham's statement left the level and form of future support unspecified, but made clear that the Russian warning had not altered the government's declared position. The exchange also showed that disagreements now concern not only whether Ukraine receives weapons, but how far into Russia supplied systems may be used and how Moscow might respond. Neither the embassy nor Burnham announced a new operational step alongside their statements.