Orbital Sciences ISS mission explodes during launch [Updated]

An Antares rocket carrying supplies to the International Space Station on an Orbital Sciences mission exploded during launch at the Wallops Flight Facility in Virginia on Tuesday evening.

The livestream of the event showed the rocket launch failing seconds after liftoff, leading to a dramatic explosion.

"The Orbital Sciences team is executing its contingency procedures, securing the site and data, including all telemetry from the Antares launch vehicle and Cygnus spacecraft," NASA stated on its website. "Before launch the Orbital team was not tracking any issues."