At least 1 injured in fire aboard USS Bonhomee Richard at Naval Base San Diego

(CBS) -- A three-alarm fire broke out Sunday morning aboard the USS Bonhomee Richard at Naval Base San Diego, military officials said. At least one person was treated for smoke inhalation. No other injuries have been reported so far after the blaze broke out shortly before 9 a.m. local time. The cause of the fire is under investigation. Video posted on social media showed crews responding and smoke in the air. The San Diego Fire Department, who assisted in the emergency, said there was an explosion. INSER