President Donald Trump's call for Republicans to redraw U.S. House districts ahead of next year's election has triggered an unusual outbreak of mid-decade gerrymandering among both Republican- and Democratic-led state legislatures.

Democrats need to gain just three seats to wrest control of the House away from Republicans. And Trump hopes redistricting can help stave off historical trends, in which the president's party typically loses seats in midterm elections.

Here's what states are doing:

States that passed new US House maps

Texas — The first state to take up congressional redistricting at Trump's prodding. Republican Gov. Greg Abbott signed a new U.S. House map into law on Aug. 29 that could help Republicans win five additional seats in next year's election. Republican currently h

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