European winter heatwave

Warm January weather has broken records across Europe. Warsaw, Poland, saw 18.9C (66F) on Sunday while Bilbao, Spain, was 25.1C - more than 10C above average. The BBC's weather presenter Chris Fawkes gives us an overview of the situation and we speak to people who work in ski resorts about the impact of the lack of snow on their livelihoods.

Iran has warned France that it will respond decisively after the French satirical magazine Charlie Hebdo published cartoons mocking the country's Supreme Leader Ayatollah Khamenei. We find out more from our correspondent in Paris, Hugh Schofield.

As we reflect on some of the more hopeful stories that came out of 2022 and how they may affect the years ahead, we bring together three scientists to talk about the significance of a major trial of an experimental dementia drug. The treatment showed - for the first time - that the progression of early stage Alzheimer’s disease can be slowed down.

We get the facts from a Covid expert about a new omicron subvariant called XBB.1.5, which has spread so rapidly in the United States in December that it accounted for more new cases than any other variant in the final week of the year.

And we hear from the director of the BBC documentary “Ukraine: The People’s Fight", who explains how he spent two months on Ukraine’s southern front, gaining unique access to a group of volunteer special force on the front line.