News Wrap: New migrant emergency builds along the Texas border with Mexico

In our news wrap Thursday, more than 8,000 people have crossed the border at Del Rio, Texas in the past few days as federal agencies rush to provide assistance, storm-battered Louisiana and other areas of the south saw another day of heavy rains from the remnants of Hurricane Nicholas, and the U.N. warns only immediate, large-scale cuts in carbon emissions can avoid a climate disaster.

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