Any person or persons acting in concert who knowingly and willfully interfere with, molest, or assault forest rangers or firefighters in the performance of their duties, or who knowingly and willfully obstruct, interfere with, or impede the progress of forest rangers or firefighters to reach the destination of a fire, or who damage or destroy any vehicles or equipment used to reach or extinguish a fire shall be guilty of a felony.
Okla. Stat. tit. 2, § 16-6