22:32World Business ReportFirst broadcast 13/03/2020 22:32 GMT: President Trump declares national emergencyBBC World Service Duration: 27 minutes Fri 13th Mar 2020, 22:32 on BBC World Service OnlineAvailable for over a yearListen nowUS President Donald Trump has declared a national emergency Show more GenresFactualMoneyFormatsBulletinsBrandWorld Business Report Source: BBC Online