At least four people were killed and dozens injured when a car crashed into a university parade at the US state of Oklahoma Saturday, according to dpa. A 25-year-old woman was arrested for driving under the influence, police said. A 2-year-old child was among the fatalities, the Oklahoman newspaper said. At least 35 people were injured, and many were airlifted to local hospitals after the crash during an Oklahoma State University parade in the town of Stillwater, that had drawn large crowds of students, alumni and other fans ahead of an American football game.