Miami Beach Police fired pepper balls at crowds of spring break revelers as the city declared a state of emergency. “Too many are coming, really, without the intention of following the rules, and the result has been a level of chaos and disorder that is just something more than we can endure,” Miami Beach Mayor Dan Gelber, a Democrat, told CNN on Sunday. He declared a state of emergency and set an 8 p.m. ET curfew on Saturday. He said the throngs of people flocking to Miami Beach are more than officials can handle. “Officers began dispersing crowds at 8 p.m. and ultimately achieved a satisfactory level of compliance,” police spokesperson Ernesto Rodriguez also told the network. In describing the scene, Gelber said that it “feels like a rock concert” at night. There are “wall-to-wall” crowds of people “over blocks and blocks,” the mayor added. A gun was also fired …