PORTLAND, Ore. (AP) — An Oregon man has been found guilty of assaulting two officers by igniting an explosive as a federal terrorism task force attempted to arrest him.

The Oregonian/OregonLive reported Wednesday that 27-year-old Jason P. Schaefer was convicted Wednesday in Portland of charges including assaulting officers, using and carrying a destructive device in relation to the assault, and using an explosive to commit a federal felony.

Authorities say Schaefer used a lighter to ignite a cigarette pack filled with explosive material in his car on a Portland street in October 2017.

The task force had an arrest warrant for Schaefer, who was already a felon, for possessing explosives and chemicals used in explosives purchased through eBay.

Schaefer faces up to 30 years to life in prison during an August sentencing hearing.

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Information from: The Oregonian/OregonLive, http://www.oregonlive.com