A gunman opened fire from a balcony in a shopping mall in Omaha, Nebraska, on Wednesday, killing eight people, wounding five before taking his own life, police said.
Following is a chronology of some of the deadlier mass shootings in the United States in recent years:
March 1998 - At Westside Middle School in Jonesboro, Arkansas, two boys aged 13 and 11 pulled a fire alarm and began shooting teachers and classmates as they left the school, killing four students and a teacher.
April 1999 - Two students shot to death 12 other students and a teacher at Columbine High School in Littleton, Colorado, before killing themselves.
July 1999 - A day trader killed his wife and two children before shooting nine people to death at two Atlanta brokerages. He then killed himself.
September 1999 - A 47-year-old loner killed seven people in a Fort Worth, Texas, Baptist church. Then he killed himself.
November 1999 - A Xerox copier repairman in Honolulu gunned down seven co-workers before fleeing, triggering one of the biggest manhunts in Hawaii history. He was located and surrendered to police after a five-hour armed standoff.
March 2005 - A 16-year-old high school student gunned down five students, a teacher and a security guard at Red Lake High School in far northern Minnesota before killing himself. He also killed his grandfather and his grandfather's companion elsewhere on the Chippewa Indian reservation.
October 2, 2006 - A local milk truck driver who was not Amish, tied up and shot 10 Amish schoolgirls aged 6 to 14 in their classroom, killing five of them before turning the gun on himself in Lancaster County, Pennsylvania, about 60 miles (97 km) west of Philadelphia.
April 16, 2007 - A university in Blacksburg, Virginia, Virginia Tech, became the site of the deadliest rampage in U.S. history when a gunman killed 32 people and himself.
December 5, 2007 - A gunman opened fire from a balcony in a shopping mall in Omaha, Nebraska, killing eight people and wounding five, before taking his own life, police said.
(Writing by Paul Grant, Washington Editorial Reference Unit, editing by Philip Barbara)