7 things to know now: Iranian sanctions; Trump ban; Critics Choice Awards

Here's a roundup of news trending across the nation and world today.

What to know now:

1. Democrats debate: The  Democratic debate turned pointed at times Sunday night  as Hillary Clinton and Bernie Sanders spared over gun control, health care and accepting money from Wall Street. Clinton, Sanders and former Maryland Gov. Martin O'Malley spared in the debate held in Charleston, S.C., just two weeks  away from the Iowa caucuses – the first votes in the 2016 presidential race.

2. Sanctions for Iran: Hours after five Americans were released from custody in Iran, the United States imposed sanctions Sunday, over that country's ballistic missile testing. The economic sanctions came after a missiles were fired in October. Filed against 11 people  and entities in the country, the sanctions  were aimed at Iran's "destabilizing behavior," President Obama said. "We're not going to waver in the defense of our security or that of our allies and partners," Obama said upon issuing the sanctions.

3. American's kidnapped: A group of Americans in Baghdad, Iraq, were kidnapped from their interpreter's apartment, according to sources in that country. According to the Washington Post, the three who were kidnapped were Iraqis who had acquired U.S. citizenship. The apartment from which the  three were taken is a  brothel, police told The Post.

4. To let Trump in or not: The British Parliament  will debate Monday whether  to ban Republican presidential candidate Donald Trump from the United Kingdom over comments he made saying Muslims should not be allowed in the United States. A petition, which sprang up following Trump's comments on Muslims, led to the debate.

5. Honoring Dr. King: Monday Americans will celebrate the life and works of Dr. Martin Luther King Jr. A national holiday, the day has grown into one that honors and encourages community service. The first national Martin Luther King Jr. holiday was observed in 1986, nearly 18 years after his assassination in Memphis.

And  one more

It's the season to honor Hollywood and the latest installment came Sunday night  with the Critic's Choice Awards. The investigative journalism drama "Spotlight" won for best film, Brie Larson and Leonardo DiCaprio took the top acting awards for "Room" and "The Revenant." The financial crisis dramedy "The Big Short," won for best comedy. The movie's star, Christian Bale, won for best actor in a comedy.

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