Las Vegas massacre: At least 59 dead, 527 injured in deadliest gun attack in US history

We're finishing our live coverage of the mass shooting in Las Vegas. For the latest on the deadly attack, click here.

Staff at the Mandalay Bay Resort and Casino did not enter Stephen Paddock's room for three days, breaching the hotel's protocol that advises staff to do welfare checks if the "do not disturb" sign has been on for more than 24 hours.

Read Rachel Olding's exclusive here.

Messed-up men define our times, writes Steve Biddulph, the author of Raising Boys and The New Manhood.

The deadly attack in Las Vegas prompted Biddulph to reflect on why masculinity can turn toxic.

Read his opinion piece here.

Filmmaker Michael Moore examined gun violence in the United States in his 2002 documentary Bowling for Columbine.

He tells Variety that nothing has changed in the years since the 1999 Columbine High School massacre.

"This sadly won't be the last tragedy," he said. "Only when people decide that they've had enough will this stop."

Marilou Danley's sisters say Las Vegas killer Stephen Paddock bought a ticket to to the Philippines for his partner so he could plan his deadly attack.

"In that sense, I thank him for sparing my sister's life. But that won't be to compensate the 59 people's lives."

Mental health reform a "critical ingredient" in stopping mass shootings: Top Republican lawmaker

Footage of the arrival of Marilou Danley at Los Angeles International Airport.

Marilou Danley, the girlfriend of the Las Vegas gunman, arrives at Los Angeles International Airport.Credit: NBC News