(CNN) — A federal court Tuesday blocked Texas from using its newly drawn congressional map in next year’s midterms, ruling that the map is likely an unconstitutional racial gerrymander.

The ruling, which is likely to be appealed, is a major setback for President Donald Trump and Republicans, who had made Texas the centerpiece of a national campaign to redraw maps ahead of the midterms.

CNN’s Arlette Saenz and John Fritze contributed to this report.

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