The Butler County Coroner's Office was called to a three-vehicle crash in West Chester, West Chester police said. Police said the crash took place on Cox Road between University Pointe and Service Drive. Police didn't say what caused the crash but said that three people were killed. Two people were pronounced dead at the scene, the third at West Chester Hospital. All deceased were adults.Cox Road is shut down in both directions between Liberty Way and VOA Park Drive, police said, and was expected to remain closed for hours while police conducted their investigation.This is a developing story and WCPO will update when more information is available.