Two vehicles were involved in the accident, whose cause was not immediately established

Phoenix, AZ.- Four people were injured in a collision that happened in Phoenix early Sunday morning, according to the Phoenix Fire Depĥartment.
The incident took place on Central Avenue and Thomas Road.
Two vehicles were involved in the accident, whose cause was not immediately established.
Two men were rushed to a hospital with critical injuries while another man and a woman were both in stable condition.
The crash remains under investigation by the Phoenix Police Department.