South Korean on Friday police arrested the brother of a South Korean businessman linked to a ferry disaster in April in which hundreds of school children drowned, as the net appeared to tighten around the fugitive's family. But Yoo Byung-un, 73, a businessman and photographer, is still on the run, eluding one of the country's biggest and most bizarre manhunts for more than a month, centred on a huge church sect compound south of Seoul. [ID:nL4N0OT3MC] His elder brother, Yoo Byung-il, was arrested near the leafy compound in Anseong, where police are checking all passing vehicles and pedestrians. Yoo Byung-un's daughter, Yoo Som-Na, has been held in France since May 28 after Interpol called for her arrest "for fraud and embezzlement". She was denied bail on Wednesday Yoo Byung-un is wanted on charges of embezzlement, negligence and tax evasion stemming from a web of business holdings centred on I-One-I, an investment vehicle owned by his sons that ran the ship