A mass shooting Sunday night on the Las Vegas strip left more than 50 people dead and hundreds of others injured, according to a Los Angeles Times report.
Below are five things to know about the developing situation in Las Vegas.
1. The mass shooting occurred at a country music festival near the strip's Mandalay Bay Resort and Casino. The Las Vegas Metropolitan Police Department initially tweeted at least 20 people were dead. However, LVMPD later reported in excess of 50 deaths, including an off-duty LVMPD officer.
2. Police identified 64-year-old Stephen Paddock of Mesquite, Nev., as the lone suspect involved in the mass shooting. Mr. Paddock fired at a crowd of more than 22,000 people attending the Route 91 Harvest Festival concert from his hotel room on the Mandalay Bay's 32nd floor after 10 p.m. Sunday, authorities said via news release. LVMPD said its SWAT team found Mr. Paddock dead when it breached the hotel room.
3. University Medical Center in Las Vegas told The New York Times the level 1 trauma center took in more than 100 patients in the aftermath of the mass shooting. Those patients included four who died, and 12 who were in critical condition as of Monday morning. Dignity Health-St. Rose Dominican Hospital told the publication its three campuses took in 56 patients, including four who were critical. Local fire officials initially projected approximately 406 people were transported to area hospitals. Police have most recently clocked the number of injured people, by gunfire or en route to safety, at 515, according to The New York Times. Two on-duty LVMPD officers were among those injured.
4. As of Monday morning, authorities had not identified a motive behind the mass shooting. An investigation is ongoing.
5. As part of the investigation, police said they were confident they located Marilou Danley, who they have described as Mr. Paddock's roommate, according to The New York Times.