Thermite, a commonly used component in welding, was used in a string of ballot box arsons before the November election ...

FBI officials investigating the October ballot box arsons in Vancouver and Portland renewed requests for tips Thursday, ...

The FBI believes the suspect used a substance known as thermite, made from metal shavings and rust, in the devices put in the ballot boxes, agents said. "This is a very volatile mix that can burn ...

We’re very worried this person may harm himself or others if he continues to experiment with thermite,” said W. Mike ...

The fire burned hundreds of ballots in Vancouver, Wash., as well as some in Portland in the days and weeks before the ...

Three ballot drop boxes were set on fire in October, destroying hundreds of ballots. The FBI is renewing calls for the public ...

The suspect behind a string of ballot drop box arson incidents in Vancouver and Portland in October used thermite as part of ...

The FBI said Thursday the suspect in the Oregon and Washington ballot box fires in October used a welding material that can burn at 4,000 degrees.

FBI agents investigating the October ballot ... saying they’re seeking someone who is knowledgeable about explosives or thermite, a mixture used in the attacks. The attacks came just days ...