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![A postal worker places a booklet-style pamphlet for the presidential election into a mailbox at an apartment in Gangnam District, southern Seoul on May 19. [YONHAP]](https://image.koreajoongangdaily.com/12035762.jpg?imageId=12035762&width=240&height=184&format=webp&format=jpg)
![Police officers distribute pamphlets on drug-related precautions to students at the entrance of Garak High School in Songpa District, southern Seoul, on Tuesday. Seoul Metropolitan Police Agency issued an emergency news alert to 1,407 elementary, middle and high schools and 830,000 parents in the city, providing guidance on reporting and investigating drug crimes. [YONHAP]](https://image.koreajoongangdaily.com/11758168.jpg?imageId=11758168&width=240&height=184&format=webp&format=jpg)