From the BBC World Service: In his first broadcast interview since taking office, South Korean President Lee Jae Myung talked about the potential impact of the expulsion of Korean workers from a U.S. battery plant. Also on today's show: more disruption is expected at airports in Europe following a cyberattack; we do the numbers on costs associated with Europe's spate of wildfires this summer; and London's Oxford Street, one of the world's busiest shopping areas, went car-free for a day.