Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 16624. Non-liability for killing or injuring rioters

After proclamation made or attempted to be made as aforesaid, and the continuance of the said unlawful, riotous or tumultuous assemblage, notwithstanding the same, the said marshal and police, and all and every person or persons so aiding and assisting them, and the said military force, shall be wholly discharged, held harmless and indemnified, as well against the commonwealth as against all and every other person or persons for or concerning the killing, maiming or hurting of any such person or persons so unlawfully, riotously or tumultuously continuing together as aforesaid, that shall happen to be killed, maimed or hurt in carrying out the provisions of this act.