Dozens of people are injured in Geismar, Louisana after an explosion caused a fire at a petrochemical plant 20 miles south of Baton Rouge, Louisiana.
Read more...VIDEO: Obama tells Boston "You will run again."
Read more...VIDEO: The blast at the West Fetilizer Co. nearly leveled the small town.
Read more...Officials report 60 to 70 dead from the blast.
Read more...Neon Tommy and The Daily Beast storify latest updates of bombings at Boston Marathon.
Read more...Were warnings ignored that could have spared the lives of attack victims?
Read more...Who was behind the attack?
Read more...There have been several deaths and injuries after an explosion inside Pemex's headquarters in Mexico City. Earlier that same day, Pemex had tweeted about their achievement in reducing the number of accidents in the last few years.
Read more...A blast within Mexico's state-run oil company has resulted in at least five deaths and many injuries.
Read more...An oil rig exploded in the Gulf.
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