Today in Focus

The Guardian’s chief culture writer Charlotte Higgins on why she was inspired to learn Ukrainian and what it taught her about its people. Help support our independent journalism at theguardian.com/infocus

Revisited: Guardian journalist Michael Safi looks into the world of artificial intelligence, exploring the dangers and promises it holds for society. Help support our independent journalism at theguardian.com/infocus

Rescue efforts are continuing in Nepal and Tibet after flash floods that have killed hundreds and left many more missing. But fears that a lake formed by the landslide could overflow and cause fresh flooding, along with difficulty accessing disaster-hit areas, are hindering rescue and recovery missions. Lucy Hough speaks with south Asia correspondent Hannah Ellis-Petersen, who is in Nepal, about the situation on the ground - watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Revisited: Guardian journalist Michael Safi looks into the world of artificial intelligence, exploring the dangers and promises it holds for society. Help support our independent journalism at theguardian.com/infocus

Hundreds of people are missing or have been killed after a catastrophic flash flood hit Nepal and Tibet on Wednesday. Entire villages have been destroyed, many of which are popular pilgrimage and trekking destinations for tourists. Lucy Hough talks to global editor Devika Bhat about how the devastating event unfolded – watch on YouTube. Help support our independent journalism at theguardian.com/infocus