LANSING, Mich. (AP) _ Authorities are investigating two tips they hope will help them find the driver who caused a rollover accident Monday caught on tape by a sheriff's deputy.

According to the Ingham County Sheriff's Office, a car in the right-hand lane of eastbound Interstate 96 swerved toward a sport utility vehicle in the left-hand lane to avoid a car merging onto the interstate at the Webberville entrance about 20 miles east of Lansing.

Emily Bowness, 29, of Grand Rapids, was driving her 2003 Ford Explorer right next to the car that swerved and was forced toward the median. When she tried to drive her SUV back onto the highway, the vehicle flipped and then rolled about eight times.

Bowness was taken to Sparrow Hospital in Lansing, where she was treated and released. Police say her seat belt likely saved her life.

Ingham County sheriff's Sgt. Larry Harrison said Wednesday that two people who were traveling on the highway at the same time have called in information that may help police find the driver.

Harrison said police now know the car they're looking for is green. Michigan State Police are still looking at video of the accident and trying to determine the model of the car and its license plate.

``We're hoping to get a little more from them,'' Harrison said.

The accident was recorded at 2:35 p.m. Monday by an Oakland County sheriff's deputy driving her patrol car behind the cars that collided. The female deputy can be seen in the video running to assist Bowness after the accident.

Although it looks from the tape like the driver of the green car caused the accident, Harrison said investigators want to hear that person's side of the story.

``There may be more to this story,'' he said. ``But we'll have to wait until the investigation is concluded.''

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To report information, call the Ingham County Sheriff's Office at (517) 676-8211.