At least 59 people have been killed and more than 200 wounded in a mass shooting at a Las Vegas.
The BBC reports a gunman opened fire at an open-air country music festival at the Mandalay Bay Hotel on the city's strip, forcing hundreds of people to flee the scene.
Witnesses have they saw multiple victims as they escaped the gunfire raining down on the concert venue, according to Associated Press.
Thousands of people around the world have taken to social media to warn visitors of Las Vegas to stay vigilant and pay tribute to the victims of the devastating attack:
Rihanna : Saying a prayer for all the victims & their loved ones, also for the residents & visitors of Las Vegas! This was a horrific act of terror!!
Barack Obama : Michelle & I are praying for the victims in Las Vegas. Our thoughts are with their families & everyone enduring another senseless tragedy.
Gigi Hadid : I feel like every day is more shocking and sad...My heart is broken for all the victims of last night's shooting in Vegas, & their families
Hillary Clinton : Las Vegas, we are grieving with you—the victims, those who lost loved ones, the responders, & all affected by this cold-blooded massacre.
SIA : Please, if you are in Las Vegas, take cover there are multiple shooters on the loose, twenty people are dead. Find cover and hide.
Paris Hilton : I can't believe what just happened in Las Vegas! What is our world coming to?! My prayers go out to the victims & their families.
Celine Dion : Praying for all the innocent victims and their families in Las Vegas - Céline xx... #LasVegas
Source : elleuk