article_snippet: Diane Martin - pictured with son Will, centre, and Diane Martin - pictured late husband David - says
article_snippet: In the letter, which was distributed on social media, devastated Diane Martin, 55, said:
article_snippet: and I was deeply saddened to learn of the PR man death, this is tragic, ghastly.
article_snippet: When approached by The Mail on Sunday, Mr Briggs said: ‘It is a very difficult situation and we are very saddened by the news.