DES MOINES, Iowa (AP) — A man has pleaded not guilty to vehicular homicide in the crash deaths of two men in Des Moines. Polk County court records say the lawyer for 23-year-old Alejandro Contreras entered the pleas Tuesday. No trial date has been set. Police say the crash occurred around 11:45 a.m. Thursday, when a southbound car struck an eastbound car that had just entered a roadway. Two men in the eastbound car died after being rushed to a hospital. They’ve been identified as 26-year-old Mauricio Ruiz Quintana and 22-year-old Brayan Martinez Ruiz. They lived in Windsor Heights.