PARKLAND, Fla. (AP) — Four Florida high school seniors slain in a mass shooting were honored by their classmates celebrating their senior prom.The Sun Sentinel reports that the main ballroom at the Westin Fort Lauderdale Beach Resort was transformed Saturday into an enchanted forest for 850 Marjory Stoneman Douglas High School students. A giant ice sculpture stood in the hallway, proclaiming, "(hashtag)MSDSTRONG." Butterflies were released from the rooftop, and a room was set aside for anyone needing quiet reflection. Broward Sheriff's Office deputies also stood guard at the front entrance.