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FILE - In this June 8, 1992 file photo, Phan Thi Kim Phuc, left, watches television as her husband, Bui Huy Toan, plays with their son Thomas, 3, in their apartment in Toronto. Phuc, who was the main subject in Associated Press photographer Nick Ut's iconic image of the aftermath of a June 8, 1972 napalm attack in Vietnam, was granted political asylum in Canada in 1992. (AP Photo/Nick Ut)

Iconic 'Napalm Girl' photo turns 40

It only took a second for Associated Press photographer Huynh Cong "Nick" Ut to snap the iconic black-and-white image 40 years ago. It communicated the horrors of the Vietnam War in a way words could never describe, helping to end one of the most divisive wars in American history.