Section 32. 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 city 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 defined; within the same territory, to pursue and arrest, without warrant, any person found in suspicious places or suspicious circumstances reasonably tending to show that such person has committed or is about to commit, a crime or breach of 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 to 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 to 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 request the assistance of the Philippine Constabulary or other members of the Armed Forces of the Philippines and/or other police agencies. Except only in such cases of specific request made, police jurisdiction and supervision and the preservation of peace and other shall pertain exclusively to the peace officers herein mentioned, existing law to the contrary notwithstanding.