Pakistani and British investigators concluded that Bhutto died when the force of the suicide blast slammed her head onto an escape hatch on her SUV.

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One resident, 30-year-old Rebecca Carbone, said she head a loud blast that "sounded like a car backfiring".

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Pakistani and British investigators concluded that Bhutto died when the force of the suicide blast caused her to slam her head onto an escape hatch on her SUV.

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