Key facts
- Paul LePage won the Republican nomination for Maine's 2nd Congressional District.
- The district is a key battleground that could influence control of the U.S. House.
- LePage previously served two terms as Maine's governor.
- The seat is open due to the retirement of incumbent Democrat Jared Golden.
- Maine's ranked-choice voting system may affect the final determination of the winner.
Former Maine Governor Paul LePage has won the Republican nomination for the state's 2nd Congressional District, a race considered crucial for determining control of the U.S. House of Representatives. U.S. media projected the win on Tuesday.