Bad weather may have been a cause of Sunday's crash that killed Ebrahim Raisi. But mechanical issues, possibly exacerbated by a lack of spare parts due to U.S. sanctions, could also be a factor.
At least six people have died and hundreds more have been injured since violence erupted last week in New Caledonia following controversial electoral reforms passed in Paris.
Mourners in black began gathering Tuesday for days of funerals and processions for Iran's late president, foreign minister and others killed in a helicopter crash.
The Seoul summit is a follow-up to last November's summit in the U.K., where participating countries agreed to work together to contain risks posed by galloping advances in artificial intelligence.
Mohammad Mokhber worked in state-affiliated financial organizations before entering politics. He will lead the Iranian government until its presidential election, which must take place within 50 days.
The International Criminal Court is seeking arrest warrants against the leaders of Hamas and Israeli Prime Minister Benjamin Netanyahu for alleged war crimes and crimes against humanity.
The U.S. is hoping to extradite the Wikileaks founder and try him for espionage. A court in London says Assange is free to appeal the extradition, the latest twist in years-long legal drama.