http://www.newscientist.com/article/dn21637-no-toxic-hydrogen-sulphide-in-north-sea-gas-leak.html
http://www.newscientist.com/article/dn21631-north-sea-gas-leak-venting-from-newly-disturbed-source.html
http://www.fifetoday.co.uk/news/scottish-headlines/north-sea-gas-leak-source-located-1-2199804#
http://www.dailymail.co.uk/news/article-2121457/North-Sea-gas-leak-threatens-repeat-Piper-Alpha-oil-rig-disaster-Aberdeen.html?ito=feeds-newsxml