Pennsylvania's Democratic attorney general Josh Shapiro, who fought against former President Donald Trump's attempts to overturn the 2020 presidential election results in the state, announced Wednesday that he is running for governor.

"I understand people feel like our politics are divided and broken right now, but we can't just take our ball and go home. There's too much on the line," Shapiro said in a campaign video released Wednesday. "We all have a responsibility to show up, stand up and fight for what's right. As governor, I'll stay in the game -- no matter what."

Shapiro will formally launch his campaign Wednesday morning in Pittsburgh and then hold a "hometown rally" in Montgomery County later in the day, his campaign said.

Pennsylvania Gov. Tom Wolf, a Democrat first elected in 2014, is term limited, leaving the field wide open.