Authorities say a man suspected of planning a mass shooting at a large New Orleans festival was arrested at a hotel in Florida. The suspect, from Chapel Hill, North Carolina, was found with a handgun and approximately 200 rounds of ammunition. He is reported to have been heading towards the New Orleans Jazz & Heritage Festival, which is expected to draw a large crowd. Federal authorities had been tracking him prior to his arrest. Officials confirmed that there are currently no known direct threats to any festivals in Louisiana.