Watson, Jr., City Atty., Miami, Fla., for appellant. George C. McCaughan, Miami, Fla., and Arthur A. Kimmel, Miami Beach, Fla., for appellees. Morris Buick, Herbert S. Shapiro and Richard E. Gerstein, Miami Beach, Fla., for amicus curiae. Before HUTCHESON, Chief Judge, and WALLER and RUSSELL, Circuit