Russia halts gas supply to Poland and Bulgaria

We explain what's happening with Russian gas supplies after energy giant Gazprom halted exports to Poland and Bulgaria. We also assess how this might impact global energy supplies.

Inside Ukraine, Russia's ground invasion is slowly making progress; we'll get the latest from our correspondents and regional experts reporting on today's developments.

In other news, our health team tell us what's behind the mysterious hepatitis outbreak in children. The cases have been reported across Europe, parts of the US and one case in Asia.

And our BBC Urdu and BBC Chinese have details and analysis on the suicide attack that killed three Chinese citizens in the Pakistani city of Karachi.

(Photo: A sign, which reads: "Warsaw", is pictured at the Gaz-System gas distribution station in Gustorzyn, central Poland. Credit: Reuters/Wojciech Kardas/Agencja Gazeta)