Kremlin spokesman Dmitry Peskov highlighted the gravity of Cameron’s remarks, asserting that such comments “potentially may threaten European security, the entire European security architecture.” The specificity of Cameron’s suggestion that Ukraine might strike inside Russia with weapons provided by the UK represents a departure from the more cautious approaches of some other NATO countries that have been providing arms to Ukraine.

An exhibition of Western military equipment captured from Kyiv forces during the fighting in Ukraine has opened in the Russian capital.

The Kremlin called British Foreign Secretary David Cameron's statement that Ukraine could use British weapons against targets inside Russia if it wanted to a direct and dangerous escalation of tensions around the conflict.