Nine Oregon State Police troopers and more than two dozen state firefighters on Friday sued Gov. Kate Brown over her COVID-19 vaccine mandate for state workers.

The lawsuit was filed on behalf of the Fraternal Order of Police, as well as Troopers Todd Burke, Dan Chichester, Cory Sweet, Jered Coates, Michael Hansen, Brian Glaser, Major Crimes Team Sgt. Darin LaDick, Sgt. Mike Berland and Capt. Ryan Martin. They live around the state, from Portland to Prineville, reports.

An association representing firefighters based in Klamath Falls is also named as a plaintiff. The firefighters work at Kingsley Field, home of the 173rd Fighter Wing of the Oregon Air National Guard.

The suit seeks to stop the enforcement of Brown’s mandate and comes two days after an Oregon State Police trooper based in Bend announced on social media that he would defy the order.

Trooper Zachary Kowing was placed on paid leave Wednesday after the video, which he took in uniform and in his patrol car, came to light.