22:00Biggest Russian bombardment on Ukraine yetCoronavirus: Trump has urged people to remain calmBBC Radio 4 Duration: 45 minutes Tue 10th Mar 2020, 22:00 on BBC Radio 4 FMAvailable for over a yearListen now(Picture: Grand Princess cruise ship travels in San Francisco Bay on its way to Oakland, California)(Credit: Justin Sullivan/Getty Images)GenresNewsBrandBiggest Russian bombardment on Ukraine yet Source: BBC Online