Now Playing: News headlines today: Sept. 13, 2018

Now Playing: News headlines today: Sept. 17, 2018

Now Playing: Family celebrates early Christmas for toddler with terminal cancer

Now Playing: Friend describes trying to save bodyboarder attacked by shark

Now Playing: Investigators find cause of fatal gas explosions

Now Playing: Dramatic rescues underway amid Florence damage

Now Playing: Florence leaves at least 17 dead, extreme flooding

Now Playing: Cajun Navy rescue efforts

Now Playing: 6 children, 1 adult injured after camel gets loose at circus

Now Playing: Eyewitnesses recount shark attack

Now Playing: Kavanaugh’s Supreme Court nomination may be delayed

Now Playing: Reporter’s Notebook: Hurricane Florence

Now Playing: View of the damage from Florence from above

Now Playing: An award-winning chef set up mobile kitchens to feed those effected by Florence

Now Playing: Residents return 4 days after gas explosions near Boston

Now Playing: A U.S. Border Patrol agent has been arrested for allegedly killing 4 women

Now Playing: A 26-year-old was killed by a shark while boogie boarding off the coast of Cape Cod

Now Playing: Florence has downgraded to a tropical depression

Now Playing: An estimated 30 inches of rain is flooding Jacksonville, North Carolina

Now Playing: Florence cuts off towns and cities as water levels rise