Questions Linger On Ukrainian Plane Crash In Iran

A week ago Friday, a U.S. drone strike killed Iran's top military commander in Baghdad. Iran responded with its own strikes on bases in Iraq. But in the middle of that crisis, a Ukrainian airplane crashed in Iran, and now U.S. officials say there's evidence Iran shot the jet down by mistake. Tehran denies that claim.

Host Tonya Mosley speaks with the BBC's Jonah Fisher (@jonahfisherBBC) in Kyiv.