This Sunday is Cinco de Mayo with parties all over Las Vegas but tonight at the Plaza in Downtown Las Vegas is a large free Cinco de Mayo celebration. The event is free and takes place under the dome in front of the Plaza Hotel & Casino starting tonight at 7pm. The outdoor party includes a DJ spinning radio hits as well as latin music as well as a huge pinata with authentic food being served including the always popular street tacos. Entertainment at the event also includes a Mariaci band as well as Folklorico dancers and the always popular Lucha Libre Wrestling pictured below. All night long there will be drink specials available on Margaritas, Micheladas, Modelo beer and shots of Patron Tequila.