Las Vegas police sweep through a convention center area during a lockdown Monday at the Tropicana Las Vegas following an active shooter situation on the Las Vegas Strip.
Concertgoers try to escape the venue after a shooter opened fire on the crowd at the Route 91 Harvest Festival in Las Vegas Sunday.
Melissah Burke and her husband, Stephen, of Seattle, walk along the Las Vegas Strip near Mandalay Bay hotel and casino Monday. The couple, who were attending the music festival last night where a mass shooting occurred, found refuge in a nearby apartment and casino.
People load into buses destined to different Strip Casinos following a mass shooting Sunday.
People who attended the Route 91 music festival wait for their ride outside the Thomas & Mack center, which served as a refuge, following the mass shooting.
A woman sits on a curb at the scene of a shooting outside of a music festival along the Las Vegas Strip.
Police officers stand at the scene of a shooting near the Mandalay Bay resort and casino on the Las Vegas Strip.
A wounded woman is moved outside the Tropicana during an active shooter situation on the Las Vegas Strip in Las Vegas Sunday, Oct. 1, 2017. Multiple victims were being transported to hospitals after a shooting late Sunday at a music festival on the Las Vegas Strip. (Chase Stevens/Las Vegas Review-Journal via AP)
Police officers stand along the Las Vegas Strip the Mandalay Bay resort and casino following a shooting that killed more than 50.
A wounded woman is moved outside the Tropicana during Sunday's shooting.
A group of women wait for their ride outside the Thomas & Mack center, which served as a refuge, following a mass shooting at the Route 91 music festival.
People are searched by Las Vegas police at the Tropicana Las Vegas during an active shooter situation on the Las Vegas Strip.
A wounded person is walked in on a wheelbarrow as Las Vegas police respond during an active shooter situation in Las Vegas. Multiple victims were being transported to hospitals after a shooting late Sunday at a music festival on the Las Vegas Strip.
Police officers advise people to take cover near the scene of a shooting near the Mandalay Bay resort and casino in Las Vegas.
People assist a wounded woman at the Tropicana during the Sunday shooting.
Police officers take cover near the scene of a shooting near the Mandalay Bay resort and casino on the Las Vegas Strip, Sunday, Oct. 1, 2017, in Las Vegas. (AP Photo/John Locher)
People wait as the Tropicana Las Vegas goes on lockdown during an active shooter situation on the Las Vegas Strip.
A police officer takes cover behind a police vehicle during a shooting near the Mandalay Bay resort and casino on the Las Vegas Strip, Sunday in Las Vegas.