LOS ANGELES (CBSLA.com/AP) — A Democrat has won a special election for a vacant L.A.-area legislative seat, bolstering the party’s supermajority in the state Assembly.

Sebastian Ridley-Thomas, an aide to Los Angeles City Councilman Curren Price Jr., defeated former Culver City mayor and city clerk Christopher Armenta, 60 percent to 36 percent, on Tuesday.

READ MORE: SoFi Stadium Looking To Fill More Than 3,000 Part-Time Positions With Job Fairs Being Held This Month

Another Democrat in the race — real estate broker John Jake — captured 4 percent of the vote.

READ MORE: Feds: Mustafa Qadiri Of Irvine Used $5 Million In Fraudulent PPP Loans To Buy Ferrari, Bentley, And Lamborghini

The results were collected from all 168 precincts, according to semi-official results released by the Secretary of State’s Office.

Ridley-Thomas is the son of former state legislator Mark Ridley-Thomas, now chairman of the Los Angeles County Board of Supervisors. He touts his experience as a former legislative aide and has endorsements from labor unions and prominent politicians, including Gov. Jerry Brown and former Los Angeles mayor Antonio Villaraigosa.

MORE NEWS: 2 More Drivers Report Windows Being Shattered On SoCal Freeways

(TM and © Copyright 2013 CBS Local Media, a division of CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2010 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)