The National Police (Polri) demonstrated its commitment to helping the people by holding a social and health service event in Surabaya, East Java, on .
The Indonesian National Police Headquarters (Mabes Polri) along with the East Java Regional Police planted trees at the Kenjeran Park on Friday to commemorate .
The National Police (Polri) concentrates on maintaining public order on the May Day, or Workers' Day, on May 1 in several regions in Indonesia, especially .