The suspect behind a string of ballot drop box arson incidents in Vancouver and Portland in October used thermite as part of the incendiary devices that they used to start the fires, FBI officials ...

particularly after confirming that whoever tried to set fire to three ballot boxes in Portland and Vancouver last fall used devices that included combustible thermite. “We’re very worried this ...

Thermite devices are made of metal shavings ... a ballot box in Portland and one in neighboring Vancouver, Washington state, were set on fire in what officials decried as an attack on democracy.