May 14 (UPI) -- South Carolina Gov. Henry McMaster is expected to call a special session of the legislature to redraw the state's congressional districts, state sources have said.

McMaster, a Republican, is expected to call the session after the legislature adjourns Thursday afternoon, CBS News reported.

Some South Carolina Republicans were against the redistricting effort, but the measure only needs a simple majority to pass in the special session. McMaster can't be re-elected due to term limits.

The proposed map would carve up the district held by Rep. James Clyburn, D-S.C., and give Republicans an advantage in all seven districts in the state.

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