USS Bonhomme Richard Explosion Injures Sailors in San Diego

Navy Explosion Vo 6.transferDeveloping news out of San Diego, California, there has been an explosion onboard a Navy ship.

It is unclear what caused a fire on the U.S.S. Bonhomme Richard Sunday morning.

Witnesses report hearing a boom just before a fire broke out, which is believed to have started in the lower cargo hold.

About 160 crew members were aboard. Seventeen sailors were treated for smoke inhalation, along with four civilians.

Local fire departments say all crew members have been accounted for. Multiple agencies worked together to control the flames.

At the time of the incident, the vessel was undergoing routine maintenance.