S. Korea Training Sniffer-Dog Clones

April 24: Six cloned dogs, all named Toppy, play with their trainer, Kim Nak-seung, during their exercise at Defector Dog Training Center in Incheon, west of Seoul, South Korea. The country that created the world's first cloned canine, Snuppy, plans to put duplicated dogs on patrol to sniff out drugs and explosives. The Korean Customs Service on Thursday unveiled a group of seven Labrador retrievers being trained near Incheon International Airport, west of Seoul. The dogs were born five to six months ago after being separately cloned from an experienced drug-sniffing canine in active service.

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April 24: Five cloned dogs play with a ball during their exercise in Incheon, west of Seoul, South Korea.

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April 24: Five cloned dogs, all sharing the same name, Toppy, a combination of the words 'tomorrow' and 'puppy,' look at a ball during their exercise at Defector Dog Training Center in Incheon, west of Seoul, South Korea.

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April 24: Two of the cloned dogs look out from a cage at Defector Dog Training Center in Incheon, west of Seoul, South Korea.

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April 24: Three of the cloned dogs run during their exercise at Defector Dog Training Center in Incheon, west of Seoul, South Korea.

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April 24: Four of the cloned dogs play with a ball during their exercise at Defector Dog Training Center in Incheon, west of Seoul, South Korea.

AP