Now playing Next USA These prosecutors want radical criminal justice change. Barr is fighting to stop them. With progressive district attorneys on the march, Attorney General William Barr delivered a blistering attack speech. 17/02/2020
Now playing Next USA Pete Buttigieg's improbable rise. It's looking more real every day. The former South Bend mayor soon faces the hard part — stepped up attacks from rivals and voting in more diverse states than Iowa, New Hampshire. 09/02/2020
Now playing Next USA Iowa caucus app was rushed and flawed from the beginning, experts say "Someone was not paying attention or on a deadline," said one analyst who was able to examine the app. 06/02/2020
Now playing Next USA Plane breaks into pieces after skidding off runway in Istanbul Passengers had to be evacuated through cracks in the plane, local media report. 05/02/2020
Now playing Next USA Video appears to show Trump pretending to conduct band during anthem The president has made an issue of NFL players who kneel when the anthem is played. 04/02/2020
Now playing Next USA How will Super Tuesday decide who faces Donald Trump in US election? It's Super Tuesday — the biggest day in the Democratic primary calendar, when 14 states vote to decide who will face off against Donald Trump. 03/02/2020
Now playing Next USA Kansas City Chiefs defence comes through in Super Bowl triumph The Kansas City Chiefs won the Superbowl in a stunning 31-20 defeat. 03/02/2020
Now playing Next USA First coronavirus death outside China reported in Philippines Philippines President Rodrigo Duterte banned travel from the island nation to China. 02/02/2020
Now playing Next USA 'Gross negligence': Americans in epidemic epicenter say they feel abandoned by U.S. "Making the simplest effort or establishing some presence would go a long way in alleviating our concerns," one American told NBC News. 31/01/2020
Now playing Next USA NFL Twitter accounts hacked, including those of Super Bowl-bound Chiefs and 49ers A Saudi hacker group claimed responsibility for compromising several accounts, including those of Kansas City and San Francisco. 28/01/2020
Now playing Next USA 80 dead from coronavirus in China as authorities scramble to contain outbreak Chinese officials extended the week-long Lunar New Year holiday by three days to Feb. 2 to slow down the spread of the virus. 27/01/2020
Now playing Next China Coronavirus: International airports step up screening protocols As fears of contagion grow, points of entry are the focus for many national government, implementing prevention tactics. 23/01/2020
Now playing Next USA Mysterious coronavirus cases surge in China as virus spreads The World Health Organization has warned the virus is a new strain that had not been previously identified in humans. 20/01/2020
Now playing Next USA New cases of deadly coronavirus detected in China ahead of busy new year period The total number of patients infected by the virus in China, all of them in Wuhan, has now climbed to 62. 19/01/2020
Now playing Next China Airline passengers travelling from China screened for new coronavirus More cases of a viral pneumonia outbreak have been reported in Chinese city of Wuhan as two people die from the virus which affects breathing. 18/01/2020
Now playing Next USA As Taal volcano simmers, Philippine officials brace for long crisis "It's really massive because you're talking of more or less 100,000 evacuees in evacuation centers," said Health Secretary Francisco Duque III. 18/01/2020
Now playing Next USA App developers sue Facebook over alleged 'anticompetitive scheme' The proposed class-action lawsuit was filed in federal court and is based entirely on previously secret documents that NBC News obtained last year. 17/01/2020