Some of the lawmakers became emotional as Saint Sabina Church welcomed them.
The Texas House Democrats left their state to block a quorum and prevent a vote on a controversial redistricting plan.
It could give Republicans up to five additional seats in the House.
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Critics accuse the lawmakers of evading responsibility.
The redistricting bill is set for a vote in the Texas House on Monday.
Bryan Zarou from the Better Government Association joined ABC7 Chicago Saturday morning to discuss more about the redistricting fight in Texas.
Expert explains redistricting fight in Texas
The Texas Democrats stood with Rainbow PUSH on Saturday to celebrate the 60th anniversary of Voting Rights Act.