Is Russia going to invade Ukraine?

We'll take an in-depth look at the warnings of a potential Russian invasion of Ukraine, explaining what's behind them and whether they're credible. We'll talk through the history of the relationship between the two countries, including the war in eastern Ukraine, which has been going on for nearly 8 years. We'll hear a range of perspectives from people living in Ukraine, including those who want to be closer to Europe and those who want to be closer to Russia.

The UN has halted aid distribution to two towns in Ethiopia after its warehouses were looted. The UN says its staff were held at gunpoint by members of rebel Tigrayan forces. There are warnings the disruption to food supply will make a dire humanitarian situation even worse. We'll speak to our correspondent and hear the accounts of people whose family and friends are living through the war.

We’ll hear what smokers around the world think about New Zealand’s plan to ban young people from ever buying cigarettes in their life time.

We’ll have the latest on Covid-19 and will answer your questions about the virus with the help of Dr Emma Hodcroft, molecular epidemiologist at the University of Bern in Switzerland.

Picture: A handout photo made available by the Ukrainian presidential press service shows Ukrainian President Volodymyr Zelensky visiting positions on the frontline with pro-Russian militants in the Donetsk region, Ukraine, on 6th December (EPA / PRESIDENTIAL PRESS SERVICE HANDOUT)