Video by Heath BarnesThe Carnival Freedom is scheduled to return to port on Monday morning, following an incident where a fire erupted on board, leading to the cancellation of at least two cruises from Port Canaveral.This marks the second occurrence of a fire originating from the ship's exhaust funnel during a voyage.Cruise ship officials reported the fire broke out on the port side of the ship’s exhaust funnel around 3:15 p.m. local time, according to a news release from Carnival Cruise Line.The ship was about 20 miles off Eleuthera Island, Bahamas, when the fire broke out. The blaze started as the ship headed to Freeport.Witnesses reported the ship may have been struck by lightning, but that has not been confirmed, and the cause is still being investigated, according to the cruise line.Passengers aboard the Carnival Freedom witnessed and recorded the fire as the ship was navigating near the Bahamas on Saturday. The cruise line said the fire was quickly brought under control.Over the weekend, Carnival's technical team conducted a thorough assessment of the ship while docked in Freeport. Subsequently, the company made the decision to cancel the cruises set to depart on Monday and the following Friday from Port Canaveral. Carnival announced full refunds and future cruise credits for passengers scheduled to depart on the canceled cruises.