A 3-year-old boy is dead after a crash in Phoenix involving five people, according to Phoenix police. Phoenix fire crews were on the scene of a multiple-vehicle crash at 18th Street and Greenway Parkway Monday night. Firefighters said there was a total of five patients, two of them children. Unfortunately, one of the pediatric patients, a 3-year-old boy, was transferred to a hospital but was later pronounced dead, police say. The boy's name has not yet been released. The other child, a 6-year-old girl, is in extremely critical condition. One of the adults, a 33-year-old female, is in critical but stable condition, according to Phoenix police.