Riot police apprehend a man during a rally mourning South Korea's deceased former President Roh Moo-hyun, and denouncing current President Lee Myung-bak, in front of the Seoul city hall May 30, 2009, one day after Roh's funeral. Protesters demanded President Lee's apology as they say Roh's suicide was caused by political retaliation. REUTERS/Jo Yong-Hak (SOUTH KOREA CONFLICT POLITICS OBITUARY)