Security reinforced during Miami Beach’s spring break Spring Break is a US holiday known for excessive partying, but in Miami Beach, one of the centers of the festivities, it's becoming so big and chaotic that Miami Beach Police are calling in reinforcements. "I saw the cops show up today with the bulletproof jackets and everything" says one tourist, "I mean on the one hand I feel a little bit safer, but you’re like ‘wow, is this Iraq?'” IMAGES AND SOUNDBITES