He lit and chimneyed one gas retort on the wall.

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Police fired tear gas as a group within the protesters lit a fire and threw stones and bottles at officers.

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Sure, the economics favor gas today, as fracked natural gas floods the market, and it is in fact cheaper to build and run a gas-fired plant rather than one lit by coal.

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Yet, another story says the hunters smelled gas, banged a pipe into the ground and then lit it.

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People lit cigarettes so the smoke would absorb the gas.

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The cosmos was born in the Big Bang about 13.7 billion years ago, and the first stars in the universe are thought to have lit up about 100 million years afterward, when gas finally gathered in clumps dense enough to collapse under their own gravity and ignite nuclear fusion.

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Police used tear gas and water cannon to disperse about 100 protesters who built barricades and lit fires.

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There were repeated baton charges, and after fires were lit on some of Paris' best-known boulevards, police used tear gas on the minority of protesters who were violent.

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