Video shows dog saving owner who has seizure during walk

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Killer whale attacks on the rise, baffling researchers
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Platypuses are reintroduced into Australia's oldest national park after not being seen there for 50 years
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13-year-old girl recovering after shark attack in Florida
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Horse deaths prompt calls for change at Churchill Downs
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Firefighters rescue Arizona family after bees swarm photo shoot
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Sculpture of euthanized walrus Freya unveiled in Norway
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Rio community concerned as caiman habitat fills with city's trash
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Ya Ya the panda returns to China after 20 years in U.S.
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WATCH: Moose with the munchies grabs popcorn snack at movie theater
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Giant panda Ya Ya returns to China from Memphis
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Rescue workers fight to save animals during conflict in Sudan
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D.C. communities use sheep to mow lawns
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40-pound cat named Patches finds new fur-ever home
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Australian wildlife officials release baby turtles back into ocean
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UP NEXT
Killer whale attacks on the rise, baffling researchers
01:29
WATCH: California officer rides runaway horse back to owner
00:45
Researchers debate why orcas are attacking and sinking boats
04:33
Watch: Wrangler chases runaway cow along Michigan highway
00:36
Florida man describes losing arm in alligator attack
01:54
Platypuses are reintroduced into Australia's oldest national park after not being seen there for 50 years
01:28