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Injured U.S. Ambassador to South Korea Mark Lippert, center, is helped by other participants after he was attacked by a man at a lecture hall in Seoul, South Korea, Thursday, March 5, 2015. Lippert was in stable condition after being slashed on the face and wrist by a man wielding a 10-inch knife and screaming that the rival Koreas should be unified, South Korean police and U.S. officials said Thursday.
Injured U.S. Ambassador to South Korea Mark Lippert, center, is helped by other participants after he was attacked by a man at a lecture hall in Seoul, South Korea, Thursday, March 5, 2015. Lippert was in stable condition after being slashed on the face and wrist by a man wielding a 10-inch knife and screaming that the rival Koreas should be unified, South Korean police and U.S. officials said Thursday.

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    U.S. ambassador leaves hospital after knife attack

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U.S. ambassador leaves hospital after knife attack

U.S. Ambassador to South Korea Mark Lippert leaves the hospital after suffering injuries from a knife attack in Seoul.

U.S. ambassador leaves hospital after knife attack

U.S. Ambassador to South Korea Mark Lippert leaves the hospital after suffering injuries from a knife attack in Seoul.