At least four killed in PEMEX explosion in Gulf of Mexico - World Socialist Web Site
http://www.reuters.com/article/2015/04/02/us-pemex-fire-idUSKBN0MS4MU20150402
http://www.greenpeace.org/international/en/news/Blogs/makingwaves/save-the-arctic/blog/52512/
Few incidents occurred earlier also in PEMEX operations. The famous and widely referred in text/reference books and
websites including Loss Prevention by Frank P Lees is the one that happened in 1984 where about 500 persons died. This 1984 accident happened just before another accident in Bhopal.