Celebrity sightings and incidents at Savannah's St. Patrick's Day parade.

UFC legend Conor McGregor was spotted at the annual St. Patrick's Day parade in Savannah, Georgia, where he appeared on a float for Proper Twelve Whiskey. The parade featured more than 350 marching bands and up to 15,000 people, and the city's manager expects the heaviest crowds ever seen. The Savannah Police Department has increased patrols to ensure everyone's safety. McGregor stopped at a Savannah firehouse and posed for photos during the parade.