What's happened: At least 50 people were killed and more than 200 injured in a shooting outside the Mandalay Bay Resort on the Las Vegas Strip during a music festival on Sunday night. It is the deadliest mass shooting in US history. Shots were fired from the 32nd floor of the resort, according to police. Country singer Jason Aldean was performing at the time.
What we know about the suspect: Las Vegas Metropolitan Police Sherif Joseph Lombardo named the suspect as 64-year-old Stephen Paddock. Described as a "local resident," the suspected shooter has been killed. Lombardo said police have tracked down Paddock's female companion, Marilou Danley.
What we know about the victims: Off-duty police officers are among the dead, according to LVMPD Sheriff Joe Lombardo. Their identities have not been released. Two police officers are also being treated for injuries -- one officer is in critical condition and the other has minor injuries.
Las Vegas Metro Police Sheriff Joseph Lombardodescribed the shooting as a "tragic incident and one that we have never experienced in this valley."
He sent his condolences to the families of those who have lost their lives and said that he would make it "as easy as possible to get information."