LAS VEGAS, NV (AP) - UPDATE: A photo has been released of the man police say opened fire at the Mandalay Bay Hotel and Casino Sunday, 64-year-old Stephen Craig Paddock.
The Islamic State group has claimed responsibility for the mass shooting in Las Vegas, saying that the perpetrator was "a soldier" who had converted to Islam months ago, without providing any evidence to support the claim.
The group released two statements on its Aamaq news agency on Monday, hours after the shooting at a country music concert that killed at least 50 people and wounded at least 400.
It did not name the suspected shooter, identified by Las Vegas police as 64-year-old Stephen Paddock, but said he had "executed the operation in response to calls to target countries of the coalition" batting the extremist group in Iraq and Syria.
IS often claims attacks by individuals inspired by its message but with no known links to the group.
The brother of the man who killed at least 50 people at an outdoor music festival on the Las Vegas Strip says he's "completely dumbfounded" by the shooting, which is the deadliest in modern U.S. history.
In a brief interview with the Orlando Sentinel, Eric Paddock says he can't understand what happened. He also said he's made a statement to police.
Country music star Jason Aldean was performing Sunday night at the end of the three-day Route 91 Harvest Festival when the gunman opened fire from inside the Mandalay Bay Hotel and Casino.
Authorities say 64-year-old Stephen Craig Paddock killed himself after the shooting. Police have not yet determined a motive.
Pope Francis is calling the Las Vegas shooting a "senseless tragedy" and is assuring victims of his prayers.
The Vatican secretary of state sent a telegram of condolences Monday to the bishop of Las Vegas, saying the pope was "deeply saddened" to learn of the shooting.
The telegram said Francis praised the efforts of police and emergency crews.
Las Vegas police say more than 400 people were hospitalized in a mass shooting at a country music concert.
Police said Monday morning that the shooter, 64-year-old Stephen Craig Paddock was found dead in a hotel room with as many as 10 firearms.
Authorities say that 406 people were taken to hospitals and 50 of those are dead, including an off-duty Las Vegas police officer. His name was not immediately released.
Clark County Sheriff Joseph Lombardo says Paddock first checked into the Mandalay Bay casino-hotel on Sept. 28 and was found dead inside a hotel room.
Two on-duty officers were also hurt. One of those has been upgraded from critical to stable condition.
The U.S. Homeland Security Department says there is no "specific credible threat" involving other public venues in the U.S. after the Las Vegas shooting that killed at least 50 people.
The gunman, identified by police as Stephen Paddock died at the scene. Police said he fired from the 32nd floor of a Las Vegas Strip casino onto an outdoor country music festival Sunday night. It was the deadliest mass shooting in modern U.S. history.
In Washington, A Homeland Security spokesman, David Lapan, tweeted Monday the department has "no information to indicate a specific credible threat involving other public venues in the country."
Police have not yet determined a motive in the shootings.
Heavily armed police are searching the Nevada retirement-community home of a man authorities say killed more than 50 people when he opened fire at a country-music concert in Las Vegas.
Mesquite Police Chief Troy Tanner says police surrounded and entered the single-family home where 64-year-old Stephen Paddock lived with 62-year-old Marilou Danley early Monday morning.
He says Danley was not at the house and police saw "no movement" inside before serving a search warrant at the one-story, three-bedroom home in the Sun City Mesquite retirement community, about 80 miles north of Las Vegas.
Tanner says detectives from Las Vegas and North Las Vegas were at the scene in the resort community of Mesquite, located near the Arizona state line.
Police think Las Vegas shooter killed himself prior to their entry.
Homeland Security says ' No `specific credible threat' to other public venues in US after Las Vegas shooting.
The Los Angeles Sheriff's Department says two of its off-duty members were shot during the attack at a Las Vegas concert.
Authorities say both were taken to the hospital, where one remains in critical condition and the other was in stable condition.
Officials did not immediately release their names.
Clark County Sheriff Joseph Lombardo says at least 50 people were killed and more than 200 people were wounded when a gunman opened fire at the Route 91 Harvest Music Festival on the Strip.
Authorities have identified the suspected gunman 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 say they've 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.
Authorities say the on-duty police officer who was wounded at the deadly Las Vegas concert attack is out of surgery and in stable condition.
The unnamed officer was one of two on-duty Las Vegas police officers wounded Sunday night. The other sustained minor injuries.
Clark County Sheriff Joseph Lombardo says at least 50 people -- including two off-duty officers -- were killed and more than 200 people were wounded at the Route 91 Harvest Music Festival on the Strip.
Authorities have identified the suspected gunman as 64-year-old Stephen Paddock.
For families looking to locate missing loved ones, please call 1-866-535-5654.
Monday at 7:11 a.m. President Trump tweeted: "My warmest condolences and sympathies to the victims and families of the terrible Las Vegas shooting. God bless you!"
A Nevada sheriff says the death toll has climbed to 50 in the attack on a Las Vegas concert Sunday, making it the deadliest mass shooting in modern U.S. history.
Clark County Sheriff Joseph Lombardo says more than 200 people were wounded at the Route 91 Harvest Music Festival on the Strip.
Authorities have identified the suspected gunman as Las Vegas resident Stephen Paddock.
Lombardo says officers confronted Paddock on the 32nd floor of the Mandalay Bay Hotel and Casino across the street from the concert. Paddock is dead.
Authorities say they have located 62-year-old Marilou Danley, who was wanted as a person of interest in this incident.
The dead gunman is also believed to have checked in as a hotel guest.
Police have located a woman, Marilou Danley, who was traveling with the shooting suspect. Nevada sheriff identifies Las Vegas resident Stephen Paddock as the dead man suspected of opening fire on concert.
The latest from NBC News is saying that 50 plus are dead from the shootings in Las Vegas and over 200 injured.
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Las Vegas sheriff says more than 20 people dead and more than 100 people injured at concert attack.
LAS VEGAS (AP) -- Southern California police department says off-duty officer shot during Las Vegas concert attack.
LAS VEGAS (AP) -- Las Vegas police say one suspect is `down' after shooting at country music festival.
LAS VEGAS (AP) -- Las Vegas hospital says at least 2 dead, 24 injured, 12 critical after shooting at music festival.
-- Multiple victims were being transported to hospitals after a shooting late Sunday at a music festival on the Las Vegas Strip.
Authorities swarmed the Strip after they received reports of an active shooter near the Route 91 Harvest Festival.
University Medical Center spokeswoman Danita Cohen said the Las Vegas hospital is taking in "several" people with gunshot wounds. She didn't have any more immediate information.
Authorities shut down part of the Las Vegas Strip and Interstate 15.
Officer Aden Ocampo-Gomez says deputies are heading to the scene Sunday near Mandalay Bay Hotel and Casino.
No further information was immediately known.