More than a month on from Russia's invasion of Ukraine, and Russian forces are retreating from areas around Kyiv after being met with unforeseen resistance. Frank Gardner explains. Show more

Frank Gardner looks at the war in Ukraine, and how the country's recent gains on the battlefield has provoked a nuclear threat from Russia. Show more

Frank Gardner looks at the situation in Ukraine, and how the country’s recent success on the battlefield has provoked attacks on its energy infrastructure from Russia. Show more

Mark Easton looks at the crisis around collapsing school roofs.

In-depth analysis from Frank Gardener and expert guests, looking at what started the war between Israel and Hamas.

Jim Reed examines the underlying causes of the NHS crisis, with the help of medical experts and analysts, and looks at ways to make it better.

Security Correspondent Gordon Corera breaks down what we know about spy balloons

Frank Gardner weighs up the possible outcomes for the war in Ukraine. Will new Western tanks help Ukraine launch a successful counter-offensive? Show more

Frank Gardner and expert guests look at the crisis in the Red Sea after attacks on ships by the Yemeni Houthi group.

How a social media post celebrating Mother’s Day caused a royal public relations crisis.

BBC reporter Jordan Davies asks experts why the ban on the American XL bully dog is controversial and what impact it is likely to have. Show more

BBC Health reporter Smitha Mundasad asks experts why the virus is back and what can be done to get rid of it? Show more

On Friday 22 March, Russia experienced its worst attack on civilians in twenty years but who was behind it and why?

BBC security correspondent Frank Gardner and guests look back at the incident.

As drones and missiles are fired, we ask if Iran and Israel are heading for war?

Caroline Hawley and experts look at what happened when someone tried to kill Slovakia's Prime Minister Robert Fico.