Kyiv's mayor, Vitali Klitschko has urged people to leave the city if they have somewhere else to go while the freezing conditions last. We hear from a resident of Kharkhiv in eastern Ukraine after overnight strikes on the city.
Also on the programme: Under a severe crackdown, Iran's protesters question if enough international pressure has come to bear on Tehran's government; and the dangers of keeping wild animals as pets.
(Photo: Firefighters work at the site of an apartment building hit by a Russian drone strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Credit: Reuters/Sofiia Gatilova)