The motive for last Sunday's gun massacre remains a mystery
It is still unclear what drove gunman Stephen Paddock to commit mass murder
Two major news stories have dominated this week – the tragic mass shooting in Las Vegas, and Catalonia’s referendum on independence, deemed illegal
Victims of US gun violence pay a high price – and it is not just their health.
A new study has found survivors of shootings, on average, rack up
Paddock's girlfriend says she knew nothing about the attack
The legal but controversial devices can transform guns into fully-automatic weapons capable of firing multiple rounds in long bursts.
President Donald Trump has visited some of the hundreds of victims of the Las Vegas shooting, hailing their “tremendous bravery”.
Joined by first
The US president said that in the depths of horror, the country "will always find hope"
The FBI is to question the gunman's companion Marilou Danley who has returned to the US from the Philippines.
By Pete Williams, Tracy Connor and Kalhan Rosenblatt, NBC News
The suspected gunman behind the Las Vegas massacre made several large gambling
At least 59 people were killed and more than 500 injured in the shooting
Celebrities have been reacting to the worst mass shooting in modern US history.
In Nashville, Tennessee, a host of stars performed at a candlelit
Democrats call on Congress to act over gun control following Las Vegas shootings
At least 58 people were killed and 489 injured in the Las Vegas shooting
What we know about the 58 victims of the Las Vegas shooting
As bullets rained down, members of the Route 91 festival audience risked their own lives to save others
Automatic weapons are banned for civilians in the US, but loopholes exist.
Stephen Paddock's father was a violent bank robber who was on the FBI's Most-Wanted list in the 1960s
The US is slowly coming to terms with the deadliest mass shooting in its modern history.
At least 58 people are now confirmed dead and another 515