N.Y. Second Class Cities Law § 57: Additional powers and duties

§ 57. Additional powers and duties. The mayor shall have such other

powers and perform such other duties as may be prescribed in this

chapter or by other laws of the state or by ordinance of the common

council, not inconsistent with law. In case of riot, conflagration or

other public emergency requiring it, the mayor shall have power to call

out the police and firefighters; he or she shall also have power to

appoint such number of special police officers as he or she may deem

necessary to preserve the public peace. Such special police officers

shall be under the sole control of the regularly appointed and

constituted officers of the police department. They have shall have

power to make arrests only for disorderly conduct or other offenses

against peace or good order. In case of riot or insurrection, he or she

may take command of the whole police force, including the chief

executive officer thereof.