A Houston caller named Pat Headen said she was talking to her cousin inside the plant when the first set of explosions happened. There were three more explosions while they were still on the phone. "Anywhere from eight to 11 explosions," according to Pat's cousin.
http://www.khou.com/news/cnn/Explosions-fire-at-Mont-Belvieu-plant—115579109.html
[excerpt] .....Enterprise spokesman Rick Raine said one contractor, for Turner Industries, still had not been accounted for by Tuesday night. The man was scheduled to work Tuesday, did not show up at a secure area where employees were told to report in case of an emergency.
The mans family said his truck was still at the plant and that he was not answering his cell phone.
Several trucks melted when flames spread to several nearby vehicles and at least one building.....[end excerpt]