'I hope it won't come to this' - Ambassador to UK on Kyiv evacuation

Kyiv residents are being told to prepare to leave the city if there is a total loss of power in the event of a compete blackout, as Russia continues to target Ukraine's energy infrastructure.

Ukrainian ambassador Vadym Prystaiko spoke to Sky's Kay Burley about the logistics of such a measure, as people face a harsh winter without heating and electricity.