The devices used in the arson incidents carried markings with the expression "Free Gaza," two sources familiar with the ongoing investigation told ABC News.
The ballot box fires, which occurred near the Oregon-Washington border, are also believed to be connected to a third ballot box incident that occurred earlier this month in Vancouver, Washington, police said.
The sources said the incendiary device used in the first arson, back on Oct. 8, had "Free Gaza" and "Free Palestine" on it. The two subsequent devices, set off in the early hours of Monday morning in Vancouver, Washington and nearby Portland, Oregon, carried the slogan "Free Gaza." (Read More)
