BREAKING: At least 50 dead and over 400 injured in Las Vegas shooting

At least 50 people have been killed and 406 injured after a shooting took place at an open air concert on the Las Vegas strip.

The Las Vegas Metropolitan Police Department has confirmed that the gunman, 64-year-old Stephen Paddock, has been killed after carrying out the country's biggest gun massacre in modern history.

Here's what we know so far:

• The horrendous incident took place at an open air country music festival near the Mandalay Bay Hotel and Casino

• Paddock fired from a 32nd floor hotel room into a large crowd of people

• At least 50 people have been killed and more than 400 left injured with suspected gunshot wounds

• The Las Vegas police department released a statement confirming the gunman was killed and no other shooters were involved in the incident

• They are looking for a 62-year-old woman, Marilou Danley, who they believe had been "travelling" with the suspect

• Witnesses said they heard "hundreds of gunshots" and saw "hundreds of people" running away from the scene

The Las Vegas Metropolitan Police Department tweeted the following comments: