Section 37
SEC. 37. Section forty of the same Act is amended to read as follows: "SEC. 40. Peace officers—Their powers and duties.—The Mayor, the chief of police, the deputy chief of police, the chief of the secret service, and all officers and members of the city police and detective force shall be peace officers. Such peace officers are authorized to serve and execute all processes of the municipal court and criminal processes of all other courts to whomsoever directed within the jurisdictional limits of the city or within the police limits as hereinbefore denned; within the same territory, to pursue and arrest, without warrant, any person found in suspicious places or under suspicious circumstances reasonably tending to show that such person has committed, or is about to commit, any crime or breach of the peace; to arrest or cause to be arrested, without warrant, any offender when the offense is committed in the presence of a peace officer or within his view; and in such pursuit or arrest, to enter any building, ship, boat or vessel or take into custody any Person therein suspected of being concerned in such crime or breach of the peace, and any property suspected of having been stolen; and to exercise such other powers and perform such other duties as may be prescribed by law or ordinance. They shall detain an arrested person only in accordance with the provisions of existing laws relative such detention. Whenever the Mayor shall deem it necessary to avert danger or to protect life and property, in case of riot, disturbance, or public calamity, or when he has reason to fear any serious violation of law and order, he may call upon the provincial commander or other members of the Armed Forces of the Philippines. Except upon the occurrence of any of such conditions, police jurisdiction and supervision and the preservation of peace and order shall pertain exclusively to the peace officers herein mentioned, and no other peace officers, members of the Armed Forces and Philippine Constabulary shall per form or undertake any police function within the jurisdiction of the city excent those which are authorized by law to be done in the cases enumerated in the Rules of Court, any existing law to the contrary notwithstaning."