More than 500 people have been injured and 59 killed in what's been described as the worst mass shooting in US history.

Gunman Stephen Paddock opened fire on an open-air music festival on Sunday (October 1), from the 32nd floor of the Mandalay Bay hotel and casino on the Las Vegas strip.

The number of holidaymakers, tourists and concert-goers both injured and killed are still expected to rise.

Although the attack was claimed by ISIS, the FBI has said there are no links to international terrorism.

According to the Mirror , police said they had no information about Paddock's motive, he had no criminal record and was not believed to be connected to any militant group.

Police said the 64-year-old gunman, from Nevada, killed himself before they stormed his hotel room.

Here, we list the names of the victims whose identities have been confirmed so far, who so tragically lost their lives in the massacre

Sonny Melton

Sonny Melton with his wife Heather

Sonny Melton , from Big Sandy in Tennessee, was believed to have been at the Route 91 Harvest festival with his wife Heather.

He was a registered nurse who worked at the Jackson-Madison County General Hospital, according to his Facebook page.

Mr Melton's brother-in-law confirmed his death to News 4 in the US.

His wife Heather, an orthopaedic surgeon, told WSMV her husband saved her life.

"He saved my life. He grabbed me and started running when I felt him get shot in the back," she said.

"I want everyone to know what a kind-hearted, loving man he was, but at this point I can barely breathe."

Jordan McIldoon

Jordan McIldoon was at the festival with his girlfriend

Mechanics apprentice Jordan McIldoon, from Maple Ridge, British Columbia, Canada, was in Nevada with his girlfriend for the music festival.

Heather Gooze, a woman who was on the scene, said Mr McIldoon died in her arms .

His parents, Al and Angela McIldoon, confirmed their son was among the victims.

"We only had one child," they said, according to . "We just don't know what to do."

Quinton Robbins

Nevada university student Quinton Robbins, 20, loved coaching football.

His aunt Kilee Wells Sanders confirmed the tragedy on Facebook, writing: "He was the most kind and loving soul. Everyone who met him, loved him. His contagious laugh and smile. He was truly an amazing person.

"He will be missed by so many, he is loved by so many. So many awesome talents. I can’t say enough good about this sweet soul."

Denise Salmon Burditus

Denise's heartbreaking final photo with husband Tony

Denise Salmon Burditus was pictured with her husband Tony at the festival just minutes before the massacre.

Her heartbroken friend Denise Chambers paid tribute online, writing on Facebook: "In my heart forever and always. Prayers for Tony and the family."

Charleston Hartfield

Police officer Charleston Hartfield, 34, was a youth football coach and military veteran.

A friend told the Las Vegas Review-Journal how he texted Mr Hartfield on the day of the tragedy "hoping he would text me back".

Troy Rhett said: "I figured he was probably busy helping others. I don’t know a better man than Charles. They say it’s always the good ones we lose early."

Jenny Parks

Mother and nursery teacher Jenny Parks was also killed in the bloodshed.

She leaves behind her husband Bobby, 39, and their two children.

Her aunt Rhonda Boyle announced her death on Facebook, writing: "It's a sad day for me and my family, my niece was murdered... in Los Vegas. Please pray for me and my family, she was a sweet woman... and a good mother."

Adrian Murfitt

Adrian Murfitt, 35, from Alaska, was confirmed dead by his close friend Brian MacKinnon.

He told KTUU how Mr Murfitt "died in his arms".

The pal said: "He is one of the happiest people I know. Always in a good mood, and was nothing less than my brother. The wrong person died."

Jessica Klymchuk

Jessica Klymchuk, a mother of four from near Edmonton, Canada, was among those killed after recently becoming engaged.

Edmonton mayor Don Iveson confirmed her death in a tweet, the National Post reported.

He wrote: "Our hearts are all broken. We will rally for Jessica’s children and family.”

Lisa Romero-Muniz

Lisa Romero-Muniz was a secretary at Miyamura High School in Gallup, New Mexico, the Santa Fe New Mexican reported.

In her most recent role, Ms Romero-Muniz offered encouragement and support to students during disciplinary proceedings, the newspaper said.

She was described as outgoing, kind and considerate, it added.

Sandy Casey

Sandy, 35, a special education teacher from southern California, had travelled to the festival with a group of fellow staff members.

Mike Matthews, superintendent at Manhattan Beach Middle School where she worked, confirmed Sandy had been fatally wounded.

He added: "This is unbelievably sad and tragic."

Sandy's partner, Christopher Willemse, paid tribute to her online.

He wrote: "The love and support that she and I have received during these trying times just shows how important this wonderful woman truly was.

"She lived life to the fullest and made me the happiest man in the world.

"I’m so grateful for the kind words and gestures, it means the world to me, especially for her."

Susan Smith

Susan, 53, was an office manager at a school's district in Simi Valley California for 16 years.

Colleagues said she was a much-loved member of staff.

John Phippen

John, a father of five and grandfather, was at the concert with his son Travis.

He was fatally shot, while Travis remains in hospital having suffered an arm injury.

According to a GoFundMe page set up by friend Leah Nagyivanyi, John's children also lost their mother three years ago.

"Today we lost an amazing, wonderful, selfless, sweet soul of man to a senseless act of violence in the Las Vegas Harvest 91 Festival shooting,” the page said.

"To say we are devastated by this loss is an understatement."

Rhonda LeRocque

Rhonda, who worked for design company IDEO, was at the concert with her husband Jason, six-year-old daughter and father-in-law.

Her father-in-law and daughter had left when the shooting started but Rhonda was hit in the back of the head.

The couple were huge country music fans.

Rhonda was "as close to perfection as possible", her family told Boston 25 News.

Dana Gardner

Dana was a "dedicated" legal clerk in San Bernadino, California.

"She had a lot of knowledge. She was a great employee," colleague Bob Dutton said.

Carrie Barnette

Carrie was described as a "beautiful person" by shocked and distraught friends.

Writing online, Jacqueline Becker said: "Rest in peace Carrie Barnette, I am so sorry, I am in shock and so saddened to hear this. I hate the guy that did this.

"Rest in peace to all of the victims of this senseless ugly violence. Carrie, you were a beautiful person."

Angie Gomez

Angie was a recent high school graduate remembered for being part of the cheerleading team at Poly High School in Riverside, California.

"We received word this morning that 2015 alumnus Angie Gomez, was involved in the Vegas shooting last night," Facebook post read.

"While details are still emerging, we did receive confirmation that Angie succumbed to her injuries."

Veronika, a friend, tweeted images of the two together adding: "My heart is in shambles and none of this feels real. Eight years of friendship and we had so much more to go. Rest easy twin, you are so loved."

On a GoFundMe page set up for funeral costs, she was described as "a cheerful young lady with a warm heart and loving spirit".

Rachael Parker

Rachael, a records officer who had worked for the Manhattan Beach Police Department for 10 years, was confirmed among the dead.

The department said that a second employee, an off-duty officer, also attended the Route 91 Harvest Music Festival and suffered a minor injury.

Chris Roybal

Chris Roybal, 28, of Southern California, was a Navy veteran who served in Afghanistan, ABC News said.

Roybal was shot in the chest, the network added.

A GoFundMe page set up by a close friend, LeeAnn, said: "Chris Roybal was one of the victims of the Las Vegas shooting. He had the biggest heart and was loved by all his family and friends.

"He is a military veteran and one of our dearest friends. We are raising money to help his family with funeral costs.

"My name is LeeAnn and I am a friend of Chris's. I see the impact he had on all of us around him and he will be greatly missed."

Thomas Day Jr.

Thomas Day Jr., 54, of Riverside, California, a home builder, went to the festival with his four children, who are in their 20s and 30s, the Los Angeles Times reported.

"He was the best dad. That's why the kids were with him," his father, Thomas Day Sr., told the newspaper, adding: "They're crushed."

Hannah Ahlers

Hannah Ahlers, a 35-year-old mother of three from Murrieta, California, was shot in the head and died, ABC News reported.

Jennifer Topaz Irvine

Jennifer Topaz Irvine was a family law attorney based in San Diego, according to CBS News.

A co-worker and friend identified her as a victim to a CBS correspondent.

Thomas Slattery wrote on Facebook: "My good friend, colleague and business partner Jennifer Irvine was killed by a madman at the festival in Las Vegas.

"A tragic loss of a kind, generous, and beautiful lady. She will be greatly missed.

"Rest in peace Topaz."

Bailey Schweitzer

Bailey Schweitzer, 20, was from Bakersfield, California, her brother told the Bakersfield Californian newspaper.

Neysa Tonks

Neysa Tonks worked at Technologent, an Irvine, California-based technology company, the Los Angeles Times said.

She was the mother of three boys, according to a GoFundMe campaign created by Technologent.

"Neysa brought joy, happiness, fun and laughter to so many of us. The senseless tragedy in Las Vegas Sunday has unnessarily (sic) taken her from our community," the GoFundMe page said.

Dorene Anderson

Dorene Anderson was visiting Las Vegas with her husband and two daughters for the Route 91 music festival.

Dorene was the treasurer for the Cowbell CREW, a non-profit based in Anchorage, Alaska, that supports local hockey teams.

Her friend Marie English told ABC News Dorene was "very friendly and genuine," saying she had a "kind heart".