RACE: Ricciardo retires after power loss

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GERMAN GP: Ricciardo retires as smoke erupts from rear of Renault

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RACE: Smoky, mid-race retirement for Ricciardo

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RACE: Unlucky Ricciardo retires on Lap 9

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RACE: Ricciardo retires from P2 with under 10 laps to go

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Daniel Ricciardo: Power loss left us 'in the train and in a mess'