Thieves targeted three cars parked outside a Sheffield hotel.
The vehicles were broken into outside the DoubleTree by Hilton hotel, Meadowhead, over the weekend.
Officers are also investigating the theft of a bag stolen from a car parked on Haughton Road, Woodseats, overnight on Friday into Saturday.
And a house burglary on Ecclesall Road was reported on Friday afternoon after a conservatory door was forced open and a handbag stolen.
Anyone with information about the incidents should call South Yorkshire Police on 101.