Eleven passengers, including two children, were injured when a boat exploded in Florida on Memorial Day, according to officials.

The incident occurred around 5:45 p.m. on Monday in Fort Lauderdale near the New River Triangle, the Coast Guard said. There were 13 people aboard the vessel at the time, it said.

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Fort Lauderdale Fire Rescue transported 11 people to Broward Health Medical Center after the explosion, two of whom were children.

There was also a dog on the boat that was rescued, uninjured, according to officials.

Fort Lauderdale Fire Rescue spokesperson Frank Guzman told ABC News the boat was anchored at a sandbar in the Intracoastal Waterway, where boaters are known to congregate on holiday weekends, when the explosion occurred.

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When the boat driver turned the engine back on to head to shore, the boat exploded, throwing people into the water and sparking a flash fire, Guzman said.

The fire marshal's office is investigating the cause of the fire, Guzman said.