The mass shooting in an Orlando nightclub has killed 50 and injured 53, making it the deadliest in United States history. Below are the other single shootings that claimed the most lives in the US.
32 killed on April 16, 2007
Virginia Tech student Seung-Hui Cho killed 27 students and five faculty members on the university campus.
27 killed on December 14, 2012
Adam Lanza, 20, killed his mother before shooting 20 elementary school children and six staff at Sandy Hook Elementary School in