People visit a makeshift memorial for victims of the Las Vegas mass shooting. Photo / AP
People visit a makeshift memorial for victims of the Las Vegas mass shooting. Photo / AP
Here are the worst mass shootings in American history, ranked by the number of people killed.
LAS VEGAS October 2, 2017 - At least 59 dead and 527 injured after a gunman fired at a concert from the 32nd floor of the Mandalay Bay hotel in Las Vegas.
ORLANDO June 12, 2016 - A gunman fatally shoots 49 people at gay nightclub Pulse before he is shot dead by police
VIRGINIA TECH April 16, 2007 - A gunman slaughters 32 people and kills himself at Virginia Tech, a university in Blacksburg, Virginia
SUTHERLAND SPRINGS, TEXAS November 5, 2017 - More than 20 reportedly killed when a shooter opened fire at the First Baptist Church in Sutherland Springs near San Antonio.
Leaked photographs from inside the hotel room used by Las Vegas shooter Stephen Paddock in the Mandalay Bay Hotel. Photo / AP
SANDY HOOK December 14, 2012 - A man shoots dead his mother, then kills 20 children, six adults and himself at Sandy Hook Elementary School in Newtown, Connecticut
SAN BERNARDINO December 2, 2015 - A husband and wife kill 14 people at a workplace holiday party in San Bernardino in Southern California before dying in a shootout with police
COLUMBINE April 20, 1999 - Two teenagers rampage through Columbine High School in Littleton, Colorado, shooting dead 12 students and a teacher and wounding more than 20 others before killing themselves
BINGHAMTON April 3, 2009 - A Vietnamese immigrant opens fire at an immigrant services centre in Binghamton, New York, killing 13 people and wounding four. He then kills himself
FORT HOOD November 5, 2009 - An army major and psychiatrist opens fire at Fort Hood, a US Army base in Texas, killing 13 people. He is sentenced to death
WASHINGTON DC September 16, 2013 - A former Navy reservist working as a government contractor kills 12 people at the Washington Navy Yard. He is shot dead by police
A woman sits on a curb at the scene of a shooting outside a music festival along the Las Vegas Strip in October. Photo / AP
COLORADO July 20, 2012 - A masked gunman kills 12 people and wounds 70 when he opens fire at a midnight premiere of Batman film The Dark Knight Rises in Aurora, Denver. He receives a life sentence
WASHINGTON DC October 2002 - Two men ambush 13 people, killing 10 of them, in sniper-style shootings that terrorise the Washington area for three weeks. One sniper was executed and the other was sentenced to life in prison
OREGON October 1, 2015 - A man opens fire on the Umpqua Community College campus in southwest Oregon, killing nine people before he is shot dead by police
CHARLESTON June 17, 2015 - A white supremacist kills nine black churchgoers at a historic, predominantly black church in Charleston, South Carolina
WACO May 17, 2015 - Rival motorcycle gangs kill nine at a restaurant in Waco, Texas. More than 170 people are arrested
WISCONSIN August 5, 2012 - A white supremacist kills six worshippers in a Sikh temple in Oak Creek, Wisconsin. The gunman kills himself
TUCSON January 8, 2011 - Then-US representative Gabrielle Giffords is the target of an assassination attempt by a gunman in Tucson, Arizona. Six people are killed and 13, including Giffords, are wounded
AMISH SCHOOL October 2, 2006 - A gunman kills five girls in a one-room Amish schoolhouse in Nickel Mines, Pennsylvania, before killing himself.
