Update: Las Vegas police said they determined that a woman they were seeking is no longer considered a "person of interest" in the deadly mass shooting at a country music festival.
Police say they don't believe 62-year-old Marilou Danley was involved in the Sunday night shooting that killed at least 50 people and wounded more than 200.
Police initially said they were seeking the woman who may have been the roommate of the shooter.
The gunman has been identified as 64-year-old Stephen Paddock.
Paddock died after police confronted him Sunday on the 32nd floor of the Mandalay Bay casino-hotel tower on the Las Vegas Strip.
Las Vegas police are searching for a woman they say is the "companion" of the gunman in the Mandalay Bay shooting.
Authorities say a gunman on the 32nd floor of a Las Vegas Strip casino opened fire on an outdoor music festival, killing at least 20 people and wounding more than 100. Get the latest update
A Nevada sheriff says one on-duty officer is in critical condition and another was wounded in the Las Vegas concert shooting that left more than 20 people dead.
Watch: Witness recounts horrifying details of Las Vegas attack
At least 20 people were killed and more than 100 injured in a shooting outside the Mandalay Bay Resort and Casino on the Las Vegas Strip during a music festival on Sunday night. Shots were being fired from the 32nd floor of the resort, according to police.
What we know about the suspect:
Las Vegas Metropolitan Police said one suspect has been killed; they don't believe there are any other shooters. Police said they are also seeking a woman they named as Marilou Danley, described as a companion of the suspect.
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.
Search on for shooter's "companion" Las Vegas police are searching for a woman they say is the "companion" of the gunman in the Mandalay Bay shooting.
Sought by police
Marilou Danley was not named as a suspect, but Las Vegas Metro Police Sheriff Joseph Lombardo said his officers were "interested in talking to her."
Danley, who Lombardo said was the suspect's roommate, is described as an Asian female, 4 feet 11 inches (150cm) tall, and weighing 111 pounds (50 kilos).
Marilou Danley is being sought for questioning re the investigation into the active shooter incident. If seen please call 9-1-1! pic.twitter.com/Z83XvcHejH— LVMPD (@LVMPD) October 2, 2017
We’re searching for two vehicles associated with the shooter: Hyundai Tucson Nevada/114B40 and a Chrysler Pacifica Nevada/79D401. https://t.co/pVyGvN7ZqV— LVMPD (@LVMPD) October 2, 2017
At this time we do not believe there are any more shooters. More information to come shortly from @Sheriff_LVMPD.— LVMPD (@LVMPD) October 2, 2017