Viewing images of terrorism can have a powerful impact on individuals' emotional and political responses, yet little is known about the psychological processes underlying these effects. We hypothesized that the content of terrorism images will shape viewers' appraisals of the event, which will elicit specific emotions and political attitudes. British citizens viewed photographs of the 2005 London bombings, either focusing on victims or terrorists. Exposure to images of victims increased appraisals of victim suffering, which predicted feelings of sympathy. Exposure to images of terrorists increased appraisals of terrorists as dangerous, which predicted fear; and of the attack as unjust, which predicted anger. Each emotion predicted support for a distinct counterterrorism policy. Theoretical and practical implications are discussed.