* Police request detention of 58 repatriated citizens; one already in custody * Lawmaker says crime groups exploiting young South Koreans desperate for jobs * Foreign minister says Cambodia arrested 10 more South Koreans (Adds interview with lawmaker involved in rescuing South Koreans from scam centres in paragraphs 6-9, comments from South Korean foreign minister in paragraph 14) By Ju-min Park and Joyce Lee SEOUL, Oct 20 (Reuters) – South Korean police are seeking to detain most of the 64 South Koreans repatriated from Cambodia over allegations they were involved in online scams in the Southeast Asian country, the police said on Monday. The police have filed requests to the courts to detain 58 of the repatriated citizens, while one is already held in custody, they said in a statement. Th

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