Actor Yoo Ah-in appeared for questioning on Monday at the Seoul Metropolitan Police Agency on charges of taking drugs including the fashionable knockout sedative Propofol.He appeared at the police station at around 9:20 a.m. and was questioned for about 12 hours."I deeply regret causing so much disappointment to so many people," Yoo told reporters.The Ministry of Food and Drug Safety reported Yoo to police after an investigation found that he was given a total of 4,400 ml of Propofol last year alone on 73 different occasions.Police obtained hair and urine samples from the actor last month, which tested positive for cocaine, ketamine and marijuana. Yoo has hired a team of veteran lawyers from a prominent law firm.
