Section 4501 - Employment of police(a) The county commissioners in any county of the second class shall have power to employ such number of police as may be fixed by the salary board of the county. The compensation of such police officers shall be paid by the county.(b) Such police officers shall have jurisdiction anywhere within the county by which employed, and shall have and possess all the following powers:(1) To make arrests, without warrant, for all violations of the law which they may witness, and to serve and execute warrants issued by the proper authorities. In cases of offenses for violation of any of the provisions of the Vehicle Code, the power to make arrests without warrant shall be limited to cases where the offense is designated a felony or a misdemeanor, and cases causing or contributing to an accident resulting in injury or death to any person.(2) The powers and prerogatives conferred by law upon members of the police force of cities of the first class.(3) The powers and prerogatives conferred by law upon constables of the Commonwealth.(4) To serve subpoenas issued for any examination investigation or trial had pursuant to any law of the Commonwealth.1953, July 28, P.L. 723, art. XV, § 1501. Amended 1967, Oct. 20, P.L. 472, § 2.