Democratic state Sen. Jeff Van Drew beat out Trump-backed Seth Grossman in New Jersey's 2nd District on Tuesday.
With 99 percent of districts reporting, Van Drew was ahead 52 percent to 46 percent.
The district was represented by Republican Frank LoBiondoFrank Alo LoBiondoVan Drew-Kennedy race in NJ goes down to the wire Van Drew wins GOP primary in New Jersey Amy Kennedy wins NJ primary to face GOP's Van Drew MORE since 1994, but his retirement this year opened the race to a Democratic challenger.
Van Drew's victory flips a district that voted for President TrumpDonald TrumpJan. 6 committee chair says panel will issue a 'good number' of additional subpoenas Overnight Defense & National Security — Presented by AM General — Pentagon officials prepare for grilling Biden nominates head of Africa CDC to lead global AIDS response MORE in 2016.
Van Drew, a dentist by profession, is a self-described moderate, who is a Second Amendment proponent and supports abortion rights. He said he will not support Nancy PelosiNancy PelosiManchin cast doubt on deal this week for .5T spending bill Obama says US 'desperately needs' Biden legislation ahead of key votes Congress shows signs of movement on stalled Biden agenda MORE for House Speaker.
Van Drew has touted the need for bipartisanship. He expressed support for "comprehensive immigration reform" and spoke of the need to strengthen the country's borders.
Grossman campaigned on his support for President Trump, and promised to be his unabashed ally in Congress.
But Grossman lost the support of the National Republican Congressional Committee over allegations of racism and bigotry.