Maryland Code, Public Safety § 13-507

(1) continue pursuit into this State until the military or law enforcement force of this State or the forces of the United States have had a reasonable opportunity to pursue or apprehend the insurrectionists, saboteurs, or enemies; and

(2) arrest an insurrectionist, saboteur, or enemy apprehended in this State while in fresh pursuit.

(c)(1) This section does not make unlawful an arrest in this State that would otherwise be lawful.

(2) This section does not repeal any provision of the Uniform Act on Fresh Pursuit under Title 2, Subtitle 3, Part II of the Criminal Procedure Article.