Right now, at 11 00, driverless cars. The dmv says that it has asking crews to reduce its fleet by 50 until it completes an investigation about an incident in San Francisco. No more than 15 cars operating through the day and 150 cars at night. A comes week after they expended robo taxi service. Our Investigative Unit follows this closely. Self driving cars had been involved in at least 280 crashes over the past five years, across the state. This one, just last night in the city, a cruise car, they say that that the robo taxi had a green light and was making a turn, the fire truck had its lights and sirens on. In a statement, the dmv says, it reserves the right following investigations of the facts to suspend or revoke testing or deployment permits if there is determined to be an unreasonable risk to public safety. Crews also said that they would believe its clear that they positively impact overall road safety. Strum at our other top story tonight, history in the making. But danger for