article_snippet: Scotland Yard said that last year five Britons a week were heading to Syria and an estimated 500 of Britons may have returned to Britain.
article_snippet: Colonel de Bretton-Gordon, who is now managing director of Avon Protection has spoken out to warn the public what to do if there is an attack on UK soil and believes that it would be 'very survivable and a lot less dangerous than bombs and bullets'.
article_snippet: IS fighters may return home. '
article_snippet: The authorities must keep a close eye on those fighters returning to the UK, especially if The authorities have a background in chemistry, and in particular anybody buying toxic chemicals'.
article_snippet: The same advice applies to Britain,' The same advice said . '
article_snippet: and I think it is highly unlikely that ISIS or anyone else has the capability to do that in Britain'.
article_snippet: Experts fear that the Tube or other packed areas may be subject to attacks by ISIS militants in the UK .
highlights_snippet: Expert fear IS terrorists will target the Tube or sporting events in Britain .
  
highlights_snippet: But Colonel Hamish de Bretton-Gordon says that simple steps can help avoid death .
  