In demand of thoroughgoing investigation

In demand of thoroughgoing investigation   Some days ago, a public meeting was held in demand of strict investigation into ferry Sewol disaster, punishment on those who are responsible for it and building up of a safe society in Seoul to mark the 8th year of sinkage of the ferry.     South Koreans demand thoroughgoing investigation. They had a march with yellow ribbons from Chongro to the Seoul municipal office. They strongly demanded admission of violence, sincere apology, strict investigation, punishment on those who are responsible for it and building of a safe society where victims are protected after sinking of ferry Sewol disaster.