Jeff Bezos's Blue Origin said a rocket exploded during an engine-firing test. No one was hurt, according to officials at Cape Canaveral.

Blue Origin founder and billionaire Jeff Bezos said it was a ”very rough day” for the company, but it was too early to know the “root cause” of the incident.

The explosion is likely a major setback for Jeff Bezos' spaceflight company, and its attempt to compete with SpaceX.

The 320-foot rocket was undergoing an engine \

A Blue Origin rocket has exploded during a test at the launch pad