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.

The Texas State Capitol was cleared of visitors Tuesday evening and closed to the public after a social media threat, the Texas Department of Public Safety said.

AUSTIN, Texas - Four protesters were arrested after refusing to leave the Texas Capitol grounds Monday night. According to Texas DPS, on August 18, the Texas State Senate adjourned at 10 p.m. and all visitors were told the Texas Capitol building would be closing at 10:30 p.m.

The Capitol grounds were closed as protesters gathered in support of Rep. Nicole Collier, who is staying on the House floor in protest.

Parents of the young girls who died at Camp Mystic will testify about camp safety on Wednesday as the Texas special session continues. They will appear at a joint committee hearing focused on identifying what may have gone wrong in the July 4th flooding in the Texas Hill Country.

A group of parents whose children attended Camp Mystic and died in flooding in Central Texas on July 4 will testify before the Texas Senate Wednesday.

The Texas Capitol building in Austin was partly evacuated on Tuesday amid an active shooter alert. Several state representatives and local media outlets posted videos from the scene, showing chaos. Officers could be seen escorting people off the campus.

Rep. Nicole Collier is asking a Travis County district judge to rule that she’s allowed to leave the Texas Capitol. The Fort Worth Democrat has been confined to Texas Capitol since Monday after refusing to sign a “permission slip” turning her over to Texas Department of Public Safety custody for monitoring.