ABC News - ON THIS DAY: On April 20, 2010, an explosion on the Deepwater Horizon oil platform, leased by BP, killed 11 workers and caused a blow-out that began spewing an
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The toxic reach of Deepwater Horizon's oil spill was much larger — and deadlier — than previous estimates, a new study says - The Washington Post
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Gulf oil spill: firms ignored warning signs before blast, inquiry hears | Deepwater Horizon oil spill | The Guardian
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