BATON ROUGE - Lawmakers cleared out of the state capitol after a fire alarm was triggered mid-session Monday.

Officials said they exited the chambers inside the capitol building after the alarm was triggered shortly before 6 p.m. Those in the building at the time say the alarm and subsequent evacuation were instigated by a smokey smell inside.

Not a thing you see everyday. Burning down the House! pic.twitter.com/tO0fAxwXlv

— Rep. Julie Stokes (@JulieSStokes) May 6, 2019

Officials said the smoke came from a crate of cleaning rags that caught fire in the kitchen area. Investigators believe the fire was the result of spontaneous combustion.

No injuries were reported, and people were allowed back into the building soon afterward.