President Joe Biden is attending a Black church and rallying with union members on Sunday in the critical swing state of Pennsylvania, trying to project enough strength for his reelection campaign to quell a growing clamor from within in his own party for him to bow out of the race.

The pair of appearances come after Biden joined a Saturday call with campaign surrogates, and reiterated that he has no plans to step aside, while urging unity among top Democrats. But he also listened to concerns and feedback, according to two people who spoke on condition of anonymity to discuss private conversations.