NASA's unmanned Antares rocket explodes on launch - NASA TV

Oct 28 (Reuters) - An unmanned Antares rocket exploded seconds after lift off from a commercial launch pad in Virginia on Tuesday, a NASA TV broadcast showed.

The 14-story rocket, built and launched by Orbital Sciences Corp, bolted off its seaside launch pad at the Wallops Flight Facility at 6:22 p.m. EDT/2222 GMT. It exploded seconds later. The cause of the accident was not immediately available.

(Reporting by Irene Klotz; Editing by Sandra Maler)