Authorities in southwestern Washington state removed about 475 damaged ballots from a drop box. damaged by fire An act of arson caused by incendiary devices is being investigated by local police and the FBI.

Damaged ballots are being searched separately from unnumbered and destroyed ballots so that workers can contact relevant voters to obtain new ballots. clark County Supervisor Greg Kendiy said. He said officials believe the damaged ballots are in good enough condition to determine appropriate voter information.

In what Kendiy called a “direct attack on democracy” Monday morning just days before Election Day, incendiary devices destroyed hundreds of ballots at a polling station in Vancouver, Washington, and damaged three ballots at another in Portland, Oregon .

Both ballot boxes had fire suppression systems, but the system inside the ballot box in Vancouver malfunctioned, causing more ballots to be destroyed.

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Police have released photos of a suspicious vehicle allegedly involved in ballot box fires in Vancouver and Portland. (Portland Police Bureau)

Investigators collected enough material from incendiary devices Monday to connect the two fires, officials said. The fires were also linked to an October 8 incident in which an incendiary device was placed at a different ballot box in Vancouver. No ballot papers were damaged in this incident.

Police said incendiary devices were placed outside the boxes.

Portland Police Bureau released two surveillance photos of a black or dark colored Volvo S-60 that they believe is linked to the ballot box fires.

The Portland Police Bureau has released images of the suspicious vehicle believed to be connected to the ballot box fires in Portland and Vancouver. (Portland Police Bureau)

No arrests had been announced as of Tuesday evening.

FIRE IN OREGON, CONNECTION TO THE WASHINGTON INDUSTRIAL FUND, POLICE ‘SUSPICIOUS VEHICLE’: ‘ATTACK ON DEMOCRACY’

Speaking to Fox News Digital on Tuesday, Kendiy said voters who dropped off their ballots at the transit center drop box after 11 a.m. Saturday should contact his office for a replacement ballot and strongly encouraged voters to check the status of their ballots at: vote.wa.gov.

Authorities said they were increasing the frequency with which ballots are collected from polling stations and that police would increase patrols around polling places.

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Clark County Elections Office workers will also monitor ballot drop boxes 24 hours a day, seven days a week leading up to the election. The election is over. Workers will not confront anyone, but instead contact the police if they notice anything suspicious.

Fox News Digital’s Stepheny Price and The Associated Press contributed to this report.