An "incendiary device" placed inside a ballot box sparked a fire early Monday in Portland, Oregon, police say.
The Portland Police Bureau said officers responded "to reports of a fire at a ballot box in the 1000 block of Southeast Morrison Street" around 3:30 a.m. local time.
"By the time officers arrived, the fire had already been extinguished by security personnel who work in the area. Officers determined an incendiary device was placed inside the ballot box and used to ignite the fire," police said in a statement.