Coronavirus: 100 days that changed the world (part 1)

Israel claims it has killed the influential Iranian national security chief Ali Larijani in overnight strikes. If confirmed, Larijani’s death would represent a devastating blow to the regime, and the most senior official to die since Ali Khamenei’s death. Lucy Hough speaks to deputy head of international news, Devika Bhat – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Events in the narrow waterway are causing chaos around the globe. Jillian Ambrose explains why. Help support our independent journalism at theguardian.com/infocus

Donald Trump is pressuring European allies to protect the strait of Hormuz, warning that Nato faces a ‘very bad’ future if members fail to offer assistance. The strait of Hormuz is one of the most important shipping routes in the world. A fifth of international oil supplies pass through the waterway, which has been disrupted since the start of the war. Lucy Hough speaks to the Guardian’s south Asia correspondent, Hannah Ellis-Petersen – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Madrid-based journalist Guy Hedgecoe explains why Pedro Sánchez has been one of the few European leaders to challenge the US president on Iran. Help support our independent journalism at theguardian.com/infocus

After months of red carpets and awards season campaigns, it’s all eyes on Hollywood’s night of nights - the Academy Awards. It looks like it will be a fight between Ryan Coogler’s thriller Sinners and Paul Thomas Anderson’s adaptation One Battle After Another for most of the big prizes, with Jessie Buckley’s performance in Hamnet the clear favourite for best actress. Lucy Hough speaks to the Guardian’s film editor, Catherine Shoard – watch on YouTube. Help support our independent journalism at theguardian.com/infocus