U.S. Sen. Mazie Hirono and Hawaii's incumbent congressional representatives have won their state Democratic Party primary races.

FILE -- In this Jan. 15, 2020 file photo, is state Sen. Kai Kahele at the opening day of the Hawaii Sate Legislature in Honolulu. Kahele is favored to win the Democratic Partys nomination to represent Hawaiis 2nd Congressional District in the primary election. The seat is currently held by U.S. Rep. Tulsi Gabbard, a Democrat who decided not to run for reelection so she could focus on her presidential campaign, which was ultimately unsuccessful. (AP Photo/Audrey McAvoy, File)

FILE -- In this Jan. 15, 2020 file photo, is state Sen. Kai Kahele at the opening day of the Hawaii Sate Legislature in Honolulu. Kahele is favored to win the Democratic Partys nomination to represent Hawaiis 2nd Congressional District in the primary election. (AP Photo/Audrey McAvoy, File)HONOLULU State Sen. Kai Kahele has won the Democratic nomination to represent Hawaiis 2nd Congressional District in Saturday's primary election. Incumbent U.S. Rep. Ed Case won the Democratic nomination for the 1st Congressional District seat after he ran unopposed. He represented the 2nd Congressional District from 2002 to 2007 and served in the state House from 1994 to 2002.