PHOTOS: SpaceX explosion seen for miles

(Erin Head/Twitter)

(Danielle K/Twitter)

(Erin Head/Twitter)

Workers, bottom, check out the engines on the Falcon 9 SpaceX rocket on space launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Fla. (AP Photo/John Raoux)

Dragon capsule aboard a ship in the Pacific Ocean west of Mexico's Baja Peninsula after returning from the International Space Station, carrying about 3,700 lbs of cargo for NASA. (AP Photo/SpaceX)

A Falcon 9 SpaceX rocket lifts off from Launch Complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Fla. (AP Photo/John Raoux)

SpaceX CEO Elon Musk gives the opening keynote at the SXSW Interactive in Austin, Texas. (AP Photo/Jack Plunkett)

An unmanned Falcon 9 SpaceX rocket lifts off from launch complex 40 at the Cape Canaveral Air Force Station (AP Photo/John Raoux)

Elon Musk, CEO and CTO of SpaceX, introduces the SpaceX Dragon V2 spaceship at the SpaceX headquarters in Hawthorne, CA (AP Photo/Jae C. Hong)

CAPE CANAVERAL, FL (KTRK) -- SpaceX was conducting a test firing of its unmanned rocket when a blast occurred this morning. View photos of the scene in the gallery above.

Explosion rocks SpaceX site at Kennedy Space Center
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SpaceX explosion on camera

Witnesses say there were several blasts and a huge plumes of black smoke coming from the SpaceX launch site

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