Police in Las Vegas are responding to reports of an active shooter near the Mandalay Bay Hotel.
At least one gunman is reported to have opened fire at a country music festival being held on the Las Vegas strip.
Videos on social media show hundreds of people fleeing from the scene. The sound of what appears to be automatic gunfire can be heard in some clips.
Live footage from the scene shows a heavily armed police presence down the Las Vegas strip.
Police have advised people to avoid the area. There are unconfirmed reports of multiple casualties.
A hospital spokesperson has told CNN that multiple people have been taken to hospital with gunshot wounds.
We’re investigating reports of an active shooter near/around Mandalay Bay Casino. Asking everyone to please avoid the area. #LVMPDnews
— LVMPD (@LVMPD) October 2, 2017