(a) General rule.--Any military forces, or organization, unit or detachment thereof, of another state, who are in fresh pursuit of insurrectionists, saboteurs, enemies or enemy forces, may continue such pursuit into this Commonwealth until the military or police forces of this Commonwealth or the forces of the United States have had a reasonable opportunity to take up the pursuit or to apprehend or capture such persons, and are hereby authorized to arrest or capture such persons within this Commonwealth while in fresh pursuit.

(b) Surrender of prisoner to Commonwealth forces.--Any such person who shall be captured or arrested by the military forces of such other state while in this Commonwealth, shall, without unnecessary delay, be surrendered to the military or police forces of this Commonwealth, to be dealt with according to law.

(c) Construction of section.--This section shall not be construed so as to make unlawful any arrest in this Commonwealth which would otherwise be lawful.