What to know

• An MoD spokesperson responds by saying Britain stands "shoulder to shoulder" with Ukraine.S1
• The drones, which had been supplied to Ukraine, were reportedly used in Russia. In a statement, Russia's embassy in London accused Britian of becoming 'an accomplice and co-perpetrator' of the attacks.S2
• Warning came after Sunday Times reported that drones produced by two British companies had been used by Kyiv to hit targets in RussiaS3