Democrat Earl Ray Tomblin and Republican Bill Maloney won their respective primaries Saturday in the race to become West Virginia's next governor.

Tomblin and Maloney will face off in the general election campaign for the right to finish now-Sen. Joe ManchinJoseph (Joe) ManchinThe Hill's Morning Report — Sponsored by PhRMA — Trump caves under immense pressure — what now? Election Countdown: Family separation policy may haunt GOP in November | Why Republican candidates are bracing for surprises | House Dems rake in record May haul | 'Dumpster fire' ad goes viral Manchin up 9 points over GOP challenger in W.Va. Senate race MORE's term.

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Manchin (D) left the governor's office when he won the seat left open by the death of Sen. Robert Byrd (D).

Tomblin, the state Senate president, has been serving as the acting governor since Manchin's departure. He won 40 percent of the vote in Saturday's Democratic primary.

Maloney, a businessman, won 45 percent of the vote in the Republican primary. 

The special election will be held on Oct. 4. The winner will have to run for re-election in 2012.