Too many people are choking to death because bystanders “do not have the knowledge or confidence to intervene”, experts have warned as a poll showed less than half of people know how to help in a crisis.. Read MoreShare this ArticlePrevious ArticleProfessor Jason Arday Was Victim Of Public Execution Vigil HearsNext ArticleWladimir Klitschko Feeling Shock And Grief At Death Of Hayden PanettiereNews Editor