Breaking news tonight, the potential mass shooting averted.

A man arrested with an assault-style rifle at Atlanta's airport, police saying he intended to harm as many people as he could.

The surveillance footage of him prowling the airport, an AR-15 in his truck.

The moment police take him down.

The man so big, police needed two sets of handcuffs,

how his family's urgent warning may have saved lives. Also tonight, the major global outage

paralyzing parts of the internet. Banks, airlines, even government sites all impacted.

What caused the massive outage? Manhunt in Paris, thieves raiding the

Louvre, smashing display cases, stealing necklaces, tiaras and jewels. The new timeline tonight

showing the criminals inside for only four minutes. The deadly plane crash, a cargo flight,

skidding off the runway, killing two.

Plus, this plane's emergency landing after a lithium battery burst into flames on board.

Anger at the courthouse, protest at the murder trial of the former deputy accused of fatally shooting Sonia Massey in her home after she called police for help.

Plus, two Texas parents arrested, after allegedly leaving their six-month-old baby

alone at the beach for nearly an hour.

Online dangers why Florida's Attorney General is calling Roblox,

the popular kids gaming platform, a breeding ground for predators. One father's warning tonight.

This is NBC Nightly News with Tom Yamas. And good evening. Authorities say a convicted felon

with what police are calling mental challenges arrived at the world's busiest airport today with a

semi-automatic weapon.

They say he intended to inflict harm to as many people as he could.

49-year-old Billy Kagle, you see him here, was arrested, accused of threatening to open fire

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