“There is NO threat to general public from catastrophic abort during static test fire at SpaceX launchpad at CCAFS this morning,” the tweet said.
Plumes of smoke can be seen rising into the air after the accident. And images on social media showed a fireball shooting into the sky.
SpaceX was preparing for its ninth launch, scheduled for Saturday, to carry a communications satellite into orbit.
Additional details were not immediately available. There was no immediate word on any injuries.