"This November, we're going to unite our party and welcome working people who are ready to come home," said the working class champion.

The establishment and progressives united around a firefighters’ union chief in Lehigh Valley, while the left held its breath for a high-priority Philadelphia race.

Bob Brooks has the backing of both moderate Gov. Josh Shapiro (D) and Sen. Bernie Sanders (I-Vt.) in a Pennsylvania swing district.

The former firefighter and union leader defeated three other Democratic challengers Tuesday to advance to November's general election.

"This November, we're going to unite our party and welcome working people who are ready to come home," said the working class champion.