Coast Guard: Fuel leak sparked cruise ship fire, no sign blaze was intentional

The Coast Guard says a leak in a fuel-oil return line started the fire that stranded more than 4200 passengers and crew at sea for five days last week aboard the Carnival Cruise ship Triumph.

The ship was on the third day of a four-day cruise from Galveston, Texas, to Mexico when the fire broke out, knocking out the ship's electricity.

The Triumph was eventually towed into port in Mobile, Alabama Thursday night.

CNN's Sandra Endo has the story.