[286-4.] SECTION  2434 . Chief of Secret Service . — There shall be a chief of the secret service who shall, under the chief of police, have charge of the detective work of the department and of the detective force of the city, and shall perform such other duties as m ay be assigned to him by the chief of police or prescribed by law or ordinance. [183-36; 286-5.] SECTION  2435 . Police and Other Peace Officers — Their Powers and Duties . — The mayor, the chief and assistant 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. Suc h 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 defined; w ithin 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; in such pursuit or arrest to enter any building, ship, boat, or vessel, or take into custody any person there in 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 until he can be brought before the proper magistrate. 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 viola tion of law and order, he shall have power to swear in special police, in such numbers as the occasion may demand. Such special police shall have the same powers while on duty as members of the regular force. HTASIa [183-37.] SECTION  2436 . Classes of Police — Uniforms . — There shall be three classes of police sergeants and patrolmen. Those of the first class shall have a thorough knowledge of the English language and be familiar with the duties of a policeman; those of the seco nd class shall have a sufficient knowledge of the English language to transact ordinary business; and those of the third class shall speak, read, and write the Spanish language. A second-class sergeant or patrolman shall be paid twenty-five per centum more  than those of the third class, and Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 728