A suspected petrol bomb was found at premises in the Riverside Gardens area of Castledawson, according to police.
The device which had not ignited damaged the windscreen of a car.
Police are trying to establish a motive and are seeking help. If you can help with our enquiries please call the 101 number, quoting reference number 1250101215.
Alternatively information about crime can be passed via the independent Crimestoppers charity on 0800 555 111.