Democrats released Monday a video ad in Spanish in support of a special election House candidate in California's 25th District.

Competing for the special election runoff, scheduled for May 12, are Republican businessman Mike Garcia and Democratic Assemblywoman Christy Smith.

The winner will take over the seat vacated by former Rep. Katie Hill Katherine (Katie) Lauren HillObama counsels NBA players on forming a social justice committee Republicans cast Trump as best choice for women House GOP campaign chairman insists party will win back majority MORE (D-Calif.), who resigned in November after admitting she'd had a relationship with a campaign staffer.

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The ad, released by the Democratic Congressional Campaign Committee (DCCC), says Garcia would allow insurance companies to deny health care based on preexisting conditions.

It also touts the support of local medical professionals for Smith and her refusal to take campaign donations from pharmaceutical companies.

The ad was part of a seven-figure cable ad buy by the DCCC in favor of Smith.

Health care is an issue that has consistently polled as a top priority for Hispanic voters, and that's translated to overwhelming support for the Affordable Care Act's (ACA) prohibition on denying coverage for preexisting conditions.

Garcia ran in the special election primary as a pro-Trump Republican opposing the ACA, also known as ObamaCare.

Although the 25th District was under Republican control from 1992 until 2018, when then-Rep. Steve Knight Stephen (Steve) Thomas KnightThe Hill's Morning Report - Presented by The American Investment Council - Pelosi touts T bill as Fauci stresses go-slow openings The Hill's Campaign Report: A Los Angeles House seat is in play for Republicans Democrats on edge over California special election nail-biter MORE (R-Calif.) lost reelection to Hill, the district, rated "Leans Democratic" by The Cook Political Report, has been moving leftward.

About 35 percent of the district's population is Hispanic, and the district is seen as a likely Democratic hold.

Smith and Garcia are concurrently competing in the special election to replace Hill for the remainder of her term and a general election to be held in November for the following term.