Huge blast stops Venezuela's main oil refinery Amuay
http://www.bbc.co.uk/news/world-latin-america-19378657
&
Venezuela Oil Refinery Blast Kills 24, At Least 50 Injured
http://fromthetrenchesworldreport.com/venezuela-oil-refinery-blast-kills-24-at-least-50-injured/20059/
I wouldn't be surprised if in a day or two we find stories of deliberate sabotage.