The standoff began on Monday, when Democratic members returned to the Capitol after being out of the state for more than two weeks due to a controversial redistricting map. Rep. Collier refused to agree to leave the chamber under the surveillance of the Department of Public Safety.

After Democrats returned to the Texas statehouse, Republican leadership assigned law enforcement officers to monitor them to prevent further delays to their plan to redraw congressional voting districts to favor Republicans ahead of the election.

The Texas Department of Public Safety evacuated protesters from the Texas Capitol on Tuesday after a reported possible threat against lawmakers closed the building and surrounding grounds.

After having fled the state over redistricting legislation, Democratic lawmakers had to agree to have security escorts to leave the chamber. Now, a number are refusing.

More Texas House Democrats spent the night at the state Capitol in Austin in support of Rep. Nicole Collier, who wasn’t allowed to leave the building after she refused to consent to a police escort.

State Rep. Nicole Collier of Fort Worth is the only Democrat who refused Republican leaders’ orders to sign a permission slip and accept a police escort in order to leave the chamber.