US president Donald Trump insinuates during a news conference that hospital staff in coronavirus hot spots such as New York city are stealing hundreds of thousands of surgical masks. He asked how the numbers of masks requested could shoot up from 10,000 to 300,000 overnight and said: ‘Are they going out the back door?’. Trump also lashed out at reporters who asked questions he did not like about his previous statements, telling, PBS NewsHour's Yamiche Alcindor: 'Don’t be threatening. Be nice'