The massacre on the Las Vegas Strip, in which more than 50 people were killed and 400 injured. Police are saying that the death toll may dramatically climb because so many are severely injured. The Las Vegas massacre is now the worst mass shooting in the history of the United States by surpassing the death toll of the Orlando night club shooting when a gunman believed inspired by the Islamic State opened fire in June 2016, killing 49.

Concert-goers dove for cover or raced toward shelter in a stampede as a hail of machine gunfire rained down from the Mandalay Bay Hotel and Casino around 10 p.m. Las Vegas time.
Here is a list of the deadliest mass shootings in the United States since 1949:
1. Las Vegas strip – Las Vegas, Nev. – Oct. 2, 2017 – More than 50 killed, more than 200 injured
2. Pulse nightclub – Orlando, Fla. June 12, 2016 – 49 killed, 58 injured
3. Virginia Tech – Blacksburg, Va. – April 16, 2007 – 32 killed, 23 injured
4. Sandy Hook Elementary School – Newtown, Conn. – December 14, 2012 – 26 killed at the school, plus 1 other off site, 2 injured

5. Luby’s Cafeteria – Killeen, Texas – October 16, 1991 – 23 dead, 27 injured

6. McDonald’s restaurant – San Ysidro, Calif. – July 18, 1984 – 21 dead, 19 injured
7. University of Texas tower – Austin, Texas – August 1, 1966 – 13 dead, 31 injured, plus two others off site, one victim died a week after shooting
8. Columbine High School – Littleton, Colorado – April 20, 1999 – 13 dead, 24 injured
9. Post Office – Edmond, Oklahoma – August 20, 1986 – 14 dead, 6 injured
10. Inland Regional Center – San Bernadino, California – December 2, 2015 – 14 dead, 22 injured