Notable shootings at shopping malls worldwide:

— Dec. 11, 2012: A masked gunman wearing camouflage opened fire at the Clackamas Town Center in Portland, Ore., killing two people and wounding another before taking his own life.

— Oct. 21, 2012: Radcliffe Haughton, 45, killed his wife and two others when he opened fire at a spa at a major shopping mall in Brookfield, Wis., where his wife worked. He then killed himself.

— June 2, 2012: One person was killed and seven others injured in a shooting at the Eaton Centre in Toronto. Police said the suspect and two of the victims were members of the same gang.

— Oct. 29, 2011: Hundreds of people cowered for two hours inside a shopping mall in Cabo San Lucas, Mexico, while security forces traded gunfire with armed men in the parking lot and then searched stores for suspects. No one was injured.

— April 9, 2011: Tristan van der Vlis, 24, fired more than 100 rounds from three guns in a suburban Dutch shopping mall, killing six people before turning one of the weapons on himself.

— Jan. 5, 2011: A man exchanged gunfire with police at Chandler Fashion Center in suburban Phoenix, sending shoppers fleeing and prompting a mall lockdown as the suspect holed up in a fast food restaurant. There were no injuries.

— June 6, 2010: A gunman shot and killed four people and wounded three others at a restaurant inside a Miami-area mall before killing himself.

— Dec. 31, 2009: A lone gunman dressed in black killed four people in the Sello shopping mall in Espoo, Finland, before returning home and taking his own life.

— May 18, 2009: Up-and-coming rapper Dolla was fatally shot in a parking garage at the upscale Beverly Center mall in Los Angeles.

— Nov. 22, 2008: A teenager was killed and another was seriously wounded in a shooting at the Southcenter Mall near Seattle. The mall was locked down for six hours as police tried in vain to find the gunman. Continued...