Hear Boris Johnson's message after possible Covid-19 exposure

British Prime Minister Boris Johnson is self-quarantining after coming into contact with someone who tested positive for Covid-19. He said he doesn't have any symptoms. CNN's Max Foster reports.

source https://www.cnn.com/videos/world/2020/11/16/boris-johson-coronavirus-covid-19-foster-newsroom-intl-ldn-vpx.cnn