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Concerns over security in Cleveland have been ramping up ahead of next week's Republican National Convention -- and are now further inflamed by recent incidents of racial violence that have wracked the country.

CNN affiliate BFM-TV reported that the occupants of the truck that ran into a crowd on Bastille Day in Nice, France, exchanged gunfire with police. CNN's Jim Sciutto has more.

A "serial shooter" in Phoenix, Arizona, is linked to the shooting deaths of seven people and the wounding of two others since March, police say.

Go ahead and get #Emmysnotsowhite trending.

An explosion in Central Park that seriously injured a tourist during the Fourth of July weekend was caused by the homemade explosive TATP, according to multiple law enforcement officials briefed on the investigation.

A woman walks down the street, pausing and backtracking erratically. She clutches her phone in front of her, furiously jabbing at the screen. Suddenly, to her right, another person appears, enacting the same strange dance of connection between his legs, his eyes and his phone.

The last time anyone saw D.B. Cooper, he parachuted out of a Seattle-bound airplane with $200,000 in ransom strapped to his body, vanishing over the Pacific Northwest and initiating one of America's greatest manhunts.

Comedian D.L. Hughley got into a tense argument with Fox News anchor Megyn Kelly during a discussion about police shootings.

He's tried to do it himself, countless super-villains have attempted the feat, as have giant, mutated cockroaches. He's even been exiled into deep space, but Marvel this week did what Bruce Banner could never manage to do to the Hulk -- kill off the long-running character.

145 tech power players penned an open letter to the world about Donald Trump. "We have listened to Donald Trump over the past year and we have concluded: Trump would be a disaster for innovation," they wrote in a Medium post published Thursday.

For patients with gonorrhea, a two-drug antibiotic punch is the usual recommended treatment, but new research found the sexually transmitted infection is less vulnerable to one of these drugs: azithromycin.

Rio is in the midst of an economic crisis. There's uncertainty about whether it will be ready to host the Olympics this summer. But it's working to get Pokemon Go.

Pokemon Go may be helping to get gamers out of the house, but if you feel more like Pokemon "no" than Pokemon Go, here are seven other games to try.

Attack dogs unleashed in Birmingham, Alabama, in 1963; the Tiananmen Square tank standoff in 1989; an Egyptian protester in a blue bra being beaten in Cairo in 2011 — all iconic images now associated with historical moments in time.

From 1977 through 1986, Gary Monroe photographed the lives of the elderly Jewish community in Florida's South Beach neighborhood. His images take us into their communal lives and vanishing culture.

America's ultimate showman, Donald Trump, has turned his search for a Republican vice presidential pick into a real-life political thriller.

Boris Johnson is a Conservative British politician famous for some decidedly undiplomatic utterances. But on Wednesday he became the UK's new foreign secretary, a role in which he oversees the country's diplomats and discusses sensitive matters with his global counterparts.

As more oil fields come on line and America's oil boom gets back on track, there simply won't be enough people to do the required drilling, well completion and other logistical work. Cheap oil wiped out nearly 170,000 oil and gas jobs since late 2014 as desperate companies scrambled to cut costs and avoid bankruptcy.

Some of Hillary Clinton's claims to Congress have now been proven false. But does that constitute perjury? Not necessarily. Read more at FactCheck.org