Now playing Next Iran Iran plays down violent protests More protesters die in violence across Iran as President Rouhani calls for calm 01/01/2018
Now playing Next world news Farmworkers to Hollywood: Welcome to the fight Hollywood women have formed Time's Up, a coalition to fight sexual misconduct, and a partnership with farmworkers at the Alianza Nacional de Campesinas 01/01/2018
Now playing Next world news Miss America elects Gretchen Carlson as new chair after email scandal The Miss American Organization said that Gretchen Carlson, who won the pageant in 1989, would take over the role immediately. 01/01/2018
Now playing Next world news The Most Popular (and Best Days) to Start a Diet If you're ready to commit to a new health goal, don't put it off until tomorrow... Monday is the best day to start a new diet. 01/01/2018
Now playing Next world news 9 ways to overcome gym anxiety if you've fallen off the wagon If it's been awhile since you've exercised, it's natural to feel intimidated. Here's how to move past it. 01/01/2018
Now playing Next world news Teen suspected of killing family members on New Year's Eve A 16-year-old boy is suspected of killing three of his family members and a family friend in Long Branch in Monmouth County on New Year's Eve. 01/01/2018
Now playing Next world news Virginia mother goes on walk in 2010 and is never seen again Joan Renee Cook was last seen on January 24, 2010 by her husband at their home in Salem, Virginia. She told her husband she was going for a walk and was never seen again. 01/01/2018
Now playing Next world news Recreational marijuana, paid family leave among 2018's new laws The new year brings a host of new state laws that take effect starting Monday, from legalizing the sale of recreational marijuana in California to requiring paid family leave. 01/01/2018
Now playing Next Israel Likud calls on Israeli government to annexe Jewish settlements in West Move would cement illegal land grab claim Palestinians. 01/01/2018
Now playing Next world news New Year 2018 accidents already brings death, injury and destruction 2018 has already seen tragedy caused by celebrations gone wrong or accidents due to fire or extreme conditions. 01/01/2018
Now playing Next no comment London Parade Musicians, performers and floats paraded through the streets of London on New Year's Day. 01/01/2018
Now playing Next Nigeria Nigerian army says hundreds escape Boko Haram detention More than 700 people held hostage by Nigeria's Boko Haram militants have reportedly escaped. 01/01/2018
Now playing Next United Kingdom Tech giants face tough tests in 2018 Several global tech firms could fall foul of governments over their tax affairs and efforts to curb online extremism 01/01/2018
Now playing Next China China ivory ban comes into effect Wildlife campaigners are applauding China's total ban on the commercial sale of ivory. The ban came into effect on New Year's Eve. 01/01/2018
Now playing Next world news From cellphones to cars, these batteries could cut the cord forever A breakthrough in battery technology could translate into days of use for smartphone addicts and driving ranges of 500 miles for electric car owners. 01/01/2018
Now playing Next world news Rabbi calls Lorde a bigot in full-page advert Outspoken rabbi Shmuley Boteach published an advert in the Washington Post calling Lorde a bigot after the singer cancelled a concert in Israel. 01/01/2018
Now playing Next United Kingdom 2018: A big year for the British Royal family 2017 has come to a close and with it comes a fresh year - and a big one for the British monarchy - with a royal wedding and a new royal baby on the way. 01/01/2018
Now playing Next India Travel chaos as fog cloaks New Delhi Extremely poor visibility in the Indian capital caused hundreds of flights to be suspended and dozens of trains to be cancelled on New Year's Day. 01/01/2018
Now playing Next Israel Israeli military court to try Tamimi on 12 counts of assault Palestinian activists's mother and cousin also charged after officer's face slapped during raid. 01/01/2018
Now playing Next world news Billions in Pakistan aid bought 'nothing but lies & deceit,' Trump says In an early-morning tweet, President Donald Trump accused Pakistan of harboring terrorists and making "fools" of the U.S. "No more!" he wrote. 01/01/2018
Now playing Next Austria Vienna waltzes into 2018 Playing to a packed house in the Austrian capital, the Vienna Philharmonic welcomed 2018 with its annual New Year's Day concert. 01/01/2018
Now playing Next United Kingdom Looking forward to Brexit 2018 2017 was a turbulent year for Brexit negotiations and 2018 is shaping up to be no different, so what are the main challenges in the months ahead? 01/01/2018
Now playing Next South Africa South African grannies take up boxing to keep fit A group of elderly South African women are fighting off the aches and pains of old age through biweekly boxing sessions. 01/01/2018
Now playing Next Democratic Republic Of Congo At least 7 dead in DR Congo protests United Nations peacekeepers say security forces have killed at least seven protesters in the Democratic Republic of the Congo. 01/01/2018
Now playing Next Vatican The Pope says in 2018 we must work for peace for migrants and refugees Pope Francis offered his reflections on 2018 as he celebrated New Year's Day Mass in St. Peter's Basilica and later greeted some 40,000 people in St. Peter's Square. 01/01/2018
Now playing Next China Hands off Hong Kong, protesters warn China Pro-democracy campaigners say China’s Communist Party leaders are chipping away at the autonomy of the former British colony. 01/01/2018
Now playing Next Cinema Last weekend of "Last Jedi" hands movie 2017 top spot in US A 50-million-dollar-plus holiday weekend ensures "The Last Jedi" overtakes "Beauty and the Beast" to take 2017's box office honours in the US. 01/01/2018
Now playing Next Australia Watch: Barge explodes during New Year's Eve fireworks display Video shot by revellers shows the moment a fireworks barge exploded. 01/01/2018