Okla. Stat. tit. 2, § 1301-105.1
Any person or persons acting in concert with each other who knowingly and willfully interfere with, molest, or assault firefighters in the performance of their duties, or who knowingly and willfully obstruct, interfere with or impede the progress of firefighters to reach the destination of a fire shall, upon conviction thereof, be guilty of a Schedule E felony.
Laws 1998, c. 300, § 1, eff. November 1, 1998.