Hi,<br/><br/>What is the difference between "in connection with" and "in relation to"?<br/><br/>I have some comments to make in relation to this point.<br/><br/>A man has been arrested in connection with the murder of the teenager.<br/><br/>I am writing to you in connection with your recent job application.<br/><br/>Visits made in connection with her business<br/><br/>His work in connection with refugees<br/><br/>Latest developments in relation to the disease<br/><br/>In which of the above sentences are the two phrases interchangeable?<br/><br/>Thanks in advance