article_snippet.sent: (CNN)Four workers died in a massive oil rig fire that raged for hours off the coast of Mexico Wednesday.
article_snippet.sent: the state oil company said 45 workers were injured in the blaze, which began early Wednesday morning.
article_snippet.sent: Two of 45 workers are in serious condition, the state oil company said.
article_snippet.sent: At least 10 boats worked to battle the blaze for hours.
highlights_snippet.sent: 45 workers were injured in the blaze, according to the state oil company .
  
highlights_snippet.sent: Four workers were killed in the oil rig fire, which started early Wednesday .