WorldView: UK locks down as new COVID-19 variant spreads; Nigerian police rescue schoolchildren

Europe is shutting its doors on the United Kingdom as a new coronavirus variant begins to spread around the country, creating havoc as travel between countries is stopped. In Nigeria, police have rescued more schoolchildren after a second ambush in one month. Australia is seeing a coronavirus cluster in greater Sydney, with more infections and tests. CBS News foreign correspondent Ian Lee joins CBSN AM with today’s headlines from around the world.