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Already annoyed over the argument, Rihanna threw the car keys out of the car, and Brown got out of the car to look for it, unable to find the keys he returned to the car and put his hands around Rihanna's neck and shouted, "I'm going to kill you."
Rihanna, who was badly bruised after the incident revealed that that she lost consciousness after being choked, and woke up only after Brown had fled the scene. "Chris knocked her around," News.com.au quoted a source, as telling People.com. "Black eye, blood, bruises. She had to be treated by a doctor," the source added.
Brown turned himself in to police afterwards and was later released on bail.