Newton police on Monday night monitored some 50 vehicles that circled the Chestnut Hill mall, on the same night trouble was reported at shopping centers elsewhere including Braintree, Natick and Providence, the Globe reports.

“As I was speaking with Sgt. we observed approximately 12 cars, several of which had out of state license plates, and each with numerous occupants, gathering on the southwest side of the Chestnut Hill parking lot,” the report said.