The Explanation

The origins of the Iran-cultivated alliance of like-minded states and groups taking aim at Israel and the US. The Islamic Revolutionary Guard Corps (IRGC), the Quds, or Jerusalem, force and the Basij militias regularly feature in the news; what are they, how do they operate and how have they become so influential? In this episode, we look at the branding and the ideological blueprint of the Tehran-led influence network that has been shaping events in the Middle East for decades. Producer: Kriszta Satori Presenter: Krassi Twigg

Have US diplomats been targeted by Russian sonic weaponry? Unexplained symptoms such as dizziness reported by personnel working around the globe have been dubbed "Havana Syndrome". Now a joint report between The Insider, Der Spiegel and CBS's 60 Minutes, alleges it’s the result of their brains being targeted by "directed energy" weapons operated by a secretive Russian military unit. The Media Show meets one of the journalists involved in the story. Moscow has denied the accusations. US officials have previously said it was unlikely a foreign power was to blame. British counter terrorism officers are investigating the stabbing last Friday of an Iranian TV host outside his home in London. Iran International presenter Pouria Zeraati was hospitalised, before being discharged and moving to a safe place under the supervision of the Metropolitan Police. The channel says it provides independent coverage of events in Iran and that it has faced a "significant escalation in state-backed threats". Iran's charge d'affaires in the UK said "we deny any link" to the latest incident. And as Gmail celebrates its 20th anniversary, how useful is email today as a form of communication? Or has it been overtaken by messaging apps like WhatsApp?

Who is behind the Crocus City Hall attack? Within an hour of last week’s deadly attack on a concert hall outside Moscow, a campaign was gathering momentum to blame Kyiv for the atrocity while a parallel storyline claimed it was a Russian false flag operation. We track the blame game: the narratives and the counter-narratives underpinned by generous doses of disinformation. Producer: Kriszta Satori Presenter: Krassi Twigg

The water dispute driving the turbulent relationship between Afghanistan and Iran is in an area faced with worsening climate change. The waters of the Helmand river are a lifeline for border communities, and a live wire that has at times nearly sparked wars. We follow the twists and turns of the row between Kabul and Tehran, and the shifting role of the Taliban within it.Presenter: Krassi Twigg Producer: Kriszta Satori

John Simpson, in discussion with the BBC's unparalleled range of experts across the world, examines what’s next for Vladimir Putin after winning re-election, analyses the possibility of civic unrest in the United States as Joe Biden and Donald Trump compete for the Presidency, and looks at the battle between miners and environmentalists over extracting rare metals from the bottom of our deepest oceans.

How water is used as a weapon of war following Russia’s invasion of Ukraine. An irrigation system, once created at Stalin’s order as a project of grand Soviet social engineering, is now running dry. We dig into the history of the Crimean water dispute - the surprising twists and turns and the narratives constructed by both Russia and Ukraine. Presenter: Krassi Twigg Producer: Kriszta Satori

John Simpson, in discussion with the BBC's unparalleled range of experts across the world, analyses whether Russia has turned the tide in its war in Ukraine, looks at the situation in Haiti in the wake of the gang violence sweeping the country, and examines whether in the future oceans will be navigated by unmanned ships.

Gang violence has turned the small Caribbean nation into a “living nightmare”, with rapes, kidnappings and killings a daily occurrence. More than a decade after a devastating earthquake - and billions of dollars spent on recovery - Haiti is back on its knees. Plans for a new Kenya-led, UN-approved security deployment have stalled amid a debate about how much of a help or hindrance foreign assistance is. We check-in with the reality on the ground and take stock of the arguments.

John Simpson, in discussion with the BBC's unparalleled range of experts across the world, looks at the humanitarian situation in Gaza, analyses what it would take to bring peace to the conflicts there and in Ukraine, and explores the significance of the meeting of the National People’s Congress in China.

John Simpson, in discussion with the BBC's unparalleled range of experts across the world, analyses the possibility of a ceasefire in Gaza, examines Donald Trump’s legal problems, and looks at the issues behind the widespread protests by European farmers.Produced by Max Horberry and Benedick Watt