Russian airstrikes hit Ukrainian power and infrastructure

As Moscow assaults Ukraine's power and infrastructure with fresh missiles, we speak to a former Ukrainian economic minster in Kyiv sheltering from the blasts. We get the view of the people of Lagos on how the city copes with overpopulation, as the United Nations says a baby born somewhere in the world today will become the eight billionth inhabitant of our planet. We hear from Paris as the French capital overtakes London as Europe's largest financial hub.