An MoD spokesperson responds by saying Britain stands "shoulder to shoulder" with Ukraine. The drones, which had been supplied to Ukraine, were reportedly used in Russia. Key points and original sources are listed below.

• 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