VANCOUVER, Wash. (KPTV) - Police are investigating after a ballot box was set on fire in Vancouver early Monday morning.

The fire was set at the C-TRAN Park & Ride at Fisher’s Landing Transit Center. It was reported that someone stuck a device to the outside of the box which started the fire.

Election officials say hundreds of ballots were burned.

The last time ballots were picked up from the box was 11 a.m. on Saturday, Oct. 26. Anyone who dropped off a ballot in the box after 11 a.m. on Saturday should contact the Clark County Elections Office.

Detectives from the Vancouver Police Arson team and the Vancouver Fire Marshals responded.

SEE ALSO:

This is the second ballot box fire that police have responded to in the Portland metro area. At about 3:30 a.m., Portland police responded to a fire at a ballot box near the Multnomah County Elections Office.

The FBI is investigation this incident and the one in Portland:

“The FBI is coordinating with federal, state, and local partners to actively investigate the two incidents in Vancouver, Washington, and Portland, Oregon, in the early morning hours of Monday, October 28th to determine who is responsible.

Anyone with information is asked to contact the nearest FBI office, provide information through tips.fbi.gov or call 1-800-CALL-FBI (800-225-5324)."