The Arizona State Senate had to be evacuated after tear gas police deployed on protesters spread into the building

Police used tear gas at demonstrators and the Arizona State Senate Building was evacuated.

A video posted on social media by a Republican state senator shows a group of people protesting outside of a government building.

Other videos show law enforcement using tear gas on the crowd.

Smoke and tear gas spread into the chambers as the Senate was secure and safe.

AP Photo/Ross D. Franklin

The lawmakers had to leave the building because of the tear gas fumes, but they hid in the basement for 20 minutes.

The director of communications for the Arizona State Senate Republican Caucus told Insider that there was an increased police presence because of the Supreme Court decision.

A group of people gathered around 6 pm. She said a sergeant locked the door as they walked towards the building.

No one was able to get inside the building.

The senators had to move to another part of the Capitol to vote on the final bills of the session.

Abortions are not allowed after 15 weeks of pregnancy in Arizona.

The experts told The Arizona Republic that there would be a challenge to the state's anti-abortion laws.

The Arizona House Republican Leaders praised the SCOTUS decision.