Boris Johnson has told MPs he is 'shocked' by the discovery of 39 bodies in a lorry container in Essex. Opening this week's Prime Minister's Questions, Mr Johnson described the news as an 'unimaginable tragedy' and said the Home Office was liaising with Essex Police. Report by Chinnianl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn