P.O debuted with Block B in April 2011 . In February 2012 , the band received heavy criticism for their disrespectful behavior during an interview in Thailand , particularly jokes regarding about the previous year 's flooding disaster . P.O reportedly fainted and was hospitalized for shock on February 24 , after learning of a petition calling for the members to apologize by committing suicide
flooding disaster
2011 Thailand floods
P.O