Witnesses saw car driving very quickly into crowd, German reporter says

Eva Braungart, a reporter at Berliner Zeitung, has just been speaking to BBC News. She was at the event but left before the car drove into the crowd. She has spoken to witnesses who were there, who said they saw a car driving "very quickly" into the crowd, they heard screams, and that people were panicking, with some running into Tiergarten park and trying to hide.