Barrie Police are dealing with what they are calling a calculated Break and enter. They say sometime before 6 yesterday morning someone broke into the secured storage areas of a business on Lennox Drive and removed a large number of tires. Initial counts put the missing tires at anywhere between 20 and 30. Police believe a single axle truck, SUV or van pulled into the neighbouring business to collect the tires. Police ask that anyone with information call them or Crime Stoppers.