Annysa Johnson

Milwaukee Journal Sentinel

Milwaukee police briefly evacuated the Pabst Theater on Saturday after a threat was issued against an organization holding a conference there.

Mythicist Milwaukee tweeted around 4:40 p.m. that it was evacuating the building because of an "unspecified threat."

Milwaukee police and Pabst security ran a sweep of the building, and cleared it before allowing participants back inside.

Mythicist Milwaukee is a secular humanist and atheist group that bills itself as "focused on promoting dialogue about culture, religion and freedom of thought.

This year's conference featured various sessions on issues related to gender and sexuality, social justice and politics.