Now playing Next USA Unstoppable? Bernie Sanders heads into South Carolina stronger than ever After winning Nevada, the Vermont senator is riding a wave of votes, delegates and momentum into the next contest. 23/02/2020
Now playing Next USA Coronavirus updates: 10 Italian communities on lockdown as death toll rises in China As Italy experiences a surge in coronavirus cases, here is the latest for Sunday, Feb. 23. 23/02/2020
Now playing Next USA Colombia was the deadliest place on Earth for environmental activists. It's gotten worse. More than 40 human rights defenders and community leaders have been killed in Colombia since January, according to Indepaz, a Colombian peace-building nonprofit. 23/02/2020
Now playing Next USA Some Nevada caucus sites facing volunteer shortages A spokeswoman for state Democrats said the staffing issues were not causing voting problems. 22/02/2020
Now playing Next USA Nevada caucuses set to kick off amid fears of an Iowa debacle repeat A new early-voting system, high turnout and a never-before-used digital tool could all contribute to caucus chaos. 22/02/2020
Now playing Next No Comment Carnival kicks off in Rio with traditional Carmelitas street party Thousands of revellers attended the Carmelitas street party during the first day of the Rio Carnival on Friday 22/02/2020
Now playing Next USA Nevada caucuses live updates: Results and analysis from the third 2020 Democratic contest The candidates — not including Mike Bloomberg, who is not on the ballot — are vying for the state's 36 pledged delegates. 22/02/2020
Now playing Next No Comment Taiwan military disinfects plane carrying coronavirus ship evacuees Evacuees will now be kept in quarantine for two weeks. 22/02/2020
Now playing Next USA Tiny songbirds, big consequences: Why ornithologists see climate change looming everywhere Within the field of ornithology, it is becoming difficult not to see echoes of climate change across the spectrum of research. 22/02/2020
Now playing Next USA Sanders excoriates Russia after being briefed on attempts to help his presidential campaign Trump, however, sneered at the suggestion the Kremlin is attempting to interfere again to aid his reelection effort. 22/02/2020
Now playing Next USA Trump calls reports of Russian interference Democratic 'disinformation' "They're not good at anything else, the do-nothing Democrats," the president told a Las Vegas rally crowd of fresh reports Russia is once again seeking to aid his campaign. 22/02/2020
Now playing Next Sport Abe siblings star on Day 1 of the 2020 Dusseldorf Grand Slam Judoka brother and sister Hifumi and Uta Abe dazzled with their performances in Germany 22/02/2020
Now playing Next USA How the Iowa caucuses fell apart and tarnished the vote The finger-pointing between the national and state Democratic parties goes on as voters are left out in the cold. 21/02/2020
Now playing Next USA Nevada canceled its Republican caucuses and primaries to help Trump re-election bid Republican parties in Nevada, and at least three other states, canceled their nominating contests as part an effort to make the path smoother for Trump. 21/02/2020
Now playing Next USA How Nevada's caucus results will be reported — with some help from Google The counts and delegates will be calculated and assigned two ways: a paper "Math Poster" worksheet hung on the wall at the precinct locations, and an off-the-shelf Google Forms app. 21/02/2020
Now playing Next USA Bloomberg campaign accuses Bernie Sanders camp of inciting vandalism on their offices The Bloomberg campaign listed five incidents of vandalization they said mirrored Sanders' campaign rhetoric 21/02/2020
Now playing Next USA Harry and Meghan to drop their 'Sussex Royal' brand name The pair had intended to use it for their charity foundation, but will now be forced to change their brand name. 21/02/2020