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About 50 people are dead and 300 others injured after an overloaded train derailed in central Cameroon, authorities said.

The former police chief of the Mexican city of Iguala -- where 43 students disappeared two years ago -- was arrested Friday in connection with the case, according to Mexico's National Security Commission's official Twitter page. Felipe Flores Vazquez, who had been sought since the students went missing, had been labeled as one of the "probable masterminds" of the disappearance by then-Attorney General Jesus Murillo Karam. Karam said in November 2014 that the students were abducted on orders of a local mayor, turned over to a gang who killed them, burned their bodies in a landfill and tossed the remains into a nearby river.

The United Nations said Friday it is "gravely worried" that ISIS has taken 550 families from villages around Mosul, Iraq's second-largest city, and is using them as "human shields" as Iraqi and Kurdish forces battle the terror group for control of the city.

A drive to hold a recall referendum on Venezuelan President Nicolás Maduro has been halted, Venezuela's National Electoral Council announced in a statement.

Time Warner's stock soared nearly 10% Friday on reports that telecom and media giant AT&T may make a takeover bid for the company.

London City Airport was declared safe Friday after reports of a "chemical incident" spurred an evacuation, fire officials said.

The US service member killed in Northern Iraq has been identified, the Navy announced Friday.

We live in a world at a crossroads. The conflicts in Syria rage on, seemingly impervious to the various attempts to resolve them -- a horrifying staging ground for broader US-Russian tensions, and the front line of terror groups' battles for territory.

French authorities will Monday begin clearing "The Jungle," the makeshift refugee camp at Calais, giving the thousands of people living there the option to seek asylum in France or to return to their country of origin.

How did the dinosaurs cross from South America to Australia?

Do you scribble absentmindedly with a pen on the edges of a scrap of paper?

Since the formation of NATO in 1949 the defense of Europe and the free world has depended on the absolute certainty that whatever president is occupying the White House, the United States will come to the aid of a NATO member if attacked. Any doubt about the American commitment, and the credibility of NATO's doctrine of collective defense, is holed below the waterline.

Abdur Rahman tried to escape as police closed in.

Mexican drug lord Joaquin "El Chapo" Guzman is one step closer to facing drug and conspiracy charges in the United States.

Thousands of people wearing black clothes braved the torrential rain in Buenos Aires to protest the rape and killing of a 16-year-old girl in Argentina.

Wikipedia is founded on a bedrock principle of neutrality, seeking to describe all relevant sides without taking a political stance. As an individual, I, too, try to stay out of most political debates -- except where they directly impact my personal passion for the free flow of information. This is one of those times.

The top UN human rights official called the siege and bombardment of eastern Aleppo "crimes of historic proportions" on Friday, and accused all parties of violating international humanitarian law in Syria.

Paintings by Zeng Fanzhi sell for millions of dollars, but the famous Chinese artist tells CNN he wants his latest retrospective to be about art, not auctions.

A new campaign ad comparing Donald Trump to Hugo Chavez isn't sitting well with Venezuela's government.