NEW YORK TIMES: LAS VEGAS — At first, it sounded like fireworks — a loud, crackling noise. Then the awful realization began to spread, unevenly, through the huge crowd.

It dawned on people when they heard screams, when they saw bloodied victims collapse around them, or when others stampeded for the exits, trampling some of the people in their way.

Many of the terrified concertgoers followed their instincts and crouched or lay flat, not realizing that they remained exposed to a gunman lodged high above them. Others surged into surrounding streets and buildings, leaving behind debris lost in the panic — drink cups, shoes, and cellphones that kept ringing for hours, as relatives and friends tried to reach their loved ones and find out if they were safe.

By sunrise on Monday, the staggering toll at an outdoor country music festival on a cool desert night was becoming clear: at least 59 people killed, the police said, and 527 injured, either by gunfire or in the flight to safety.

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Editor’s Note: The main image shows concert-goers run for cover during a mass shooting in Las Vegas. (Photo: Reuters)

Las Vegas shooting: Police search for gunman’s motive

BBC NEWS: Police are working to establish the motive behind a mass shooting which left at least 59 dead and another 527 injured at a Las Vegas concert. Gunman Stephen Paddock, 64, opened fire from the 32nd floor of the Mandalay Bay Hotel towards an open-air music festival on Sunday evening. Police found 23 guns in his hotel room, as well as “in excess of” 19 firearms and explosives at his Nevada home. But as yet, no clear reason for the killing has emerged.

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Police seek clues to Las Vegas mass shooting, bloodiest in modern U.S. history

REUTERS: Police sought clues on Tuesday to explain why a retiree with a penchant for gambling but no criminal record set up a sniper’s nest in a high-rise Las Vegas hotel and poured gunfire onto a concert below, slaying dozens of people before killing himself. The Sunday night shooting spree from a 32nd-floor window of the Mandalay Bay hotel, on the Las Vegas Strip, killed at least 59 people before the gunman turned a weapon on himself. More than 500 were injured, some trampled, in the deadliest mass shooting in modern U.S. history.

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What we know about the Las Vegas massacre

ABC NEWS:  Police were trying to piece together information about the assailant in the Las Vegas massacre on Tuesday as authorities scoured the suspected shooter’s home for clues on what may have sparked the deadly rampage. Stephen Paddock, a 64-year-old resident of Mesquite, Nevada, is accused by police of opening fire on the crowd at a music festival from the 32nd floor of the Mandalay Bay Resort and Casino on Sunday night, killing at least 59 people and injuring at least 527 others in what is the worst mass shooting in American history.

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Woman stays with dying stranger for hours at Las Vegas massacre

CBS NEWS: One of the 59 confirmed deaths from Sunday night’s mass shooting at a Las Vegas country music concert was 23-year-old Jordan McIldoon. His final minutes were spent in the arms of a total stranger who never left his side, reports CBS News’ Adriana Diaz. “It’s what you see on TV and it’s never going to be you. It’s never going to happen to you. And it was happening,” said Heather Gooze. She was working as a bartender at the concert and escaped the gunfire.

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Las Vegas Shooter Seemed to Use a Machine Gun. But How?

NBC NEWS: The gunman opened fire from more than 1,200 feet away, raining rounds onto a concert crowd at a frequency that sounded to experts like it came from a gun common to the battlefield but rarely used in crimes: a fully automatic rifle. But how did Stephen Paddock, who killed dozens and injured hundreds from a 32nd-story Las Vegas hotel window late Sunday, get such firepower, particularly when new machine guns have been banned for civilian use for more than 30 years?

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As Las Vegas grieves, investigators struggle to uncover motive behind shooting

WASHINGTON POST: Investigators struggled Tuesday with a chilling but baffling array of clues in the wake of the deadliest mass shooting in modern American history — including a hotel room arsenal fit for a commando team — yet were still left trying to grasp the chain of events that caused a 64-year-old retiree to turn a concert ground into a killing field. “I can’t get into the mind of a psychopath,” said Joseph Lombardo, the sheriff of the Las Vegas Metropolitan Police Department, on Monday.

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Before onslaught of gunfire, attacker traced efficient path

LAS VEGAS SUN: From his hotel room on the 32nd floor of Mandalay Bay, Stephen Paddock would have looked down upon a crowd of more than 20,000 people, surging to the final sets of a country music festival. He opened fire late Sunday, killing at least 59 people and injuring 527 others in one of the deadliest mass shootings in U.S. history, authorities said. But what may have seemed like a difficult feat, firing across an urban area and into a crowd from about 500 yards away — the equivalent of several football fields — appears to have been offset by Paddock’s preparations, which made it possible for him to inflict mass carnage.

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