Miami closes enclosed slides at 4 parks after 13-year-old boy's death following playground incident

The City of Miami has closed enclosed slides at four parks until further notice following the death of a 13-year-old boy who was found inside a slide at Shenandoah Park.The closures affect Shenandoah Park, Children's Park, Southside Park, and Fern Isle Park. All other playground equipment remains open, according to the city.Olvin Cabrera Valladares was found inside the enclosed slide at Shenandoah Park on Sept. 25 and died days later. His mother, Estefania Valladares, told CBS News Miami this week that she believes a screw caught his shirt, causing him to choke."A screw caught his shirt," she said in Spanish. "I think once he realized it, he tried to remove it, but the shirt must have choked him."The circumstances surrounding his death remain under investigation.Miami Commissioner Rolando Escalona, whose district includes Shenandoah Park located at 1800 SW 21st Ave., said he directed the administration to close enclosed slides throughout the city."I instructed the administration to clo