A car plowed into a crowd of people in a popular shopping district in Berlin on Wednesday morning, police said.

"A man is said to have driven into a group of people," the Berlin Police  said in a statement. "It is not yet known whether it was an  accident or intentional action."

The alleged driver of the vehicle was detained at the scene, according  to police. Further details on the incident were not immediately  available.

Car plows into crowd in Berlin, police say