Sample ballots are photographed on Feb. 3, 2023, for the three Western Pennsylvania districts that will choose new State Representatives on Tuesday, Feb. 7. If Democrats sweep all three districts, which they also won in November, it will give them a 102-101 majority and will be the first time in 12 years that Republicans have not been able to determine what gets voted on. (AP Photo/Gene J. Puskar)

HARRISBURG, Pa. (AP) — Democrats have won control of the Pennsylvania House by sweeping three special elections, gaining new power in an important swing state. Democrats won the vacant Pittsburgh-area House seats up for election Tuesday to claim a slim majority over Republicans. The victories bring an end to a dozen years of Republican power in the chamber, though the GOP still controls the Senate. The partisan divide could make it difficult for lawmakers to send priorities to new Democratic Gov. Josh Shapiro. Democrats appeared to have won the House last November. But one Democrat died of cancer and two others resigned for higher offices, leaving control of the chamber uncertain.