A number of bikes have been stolen across the area, report police.
Officers said they were looking into the crimes but appealed to the public to report thefts as soon as they happen.
A £650 hybrid bike was stolen from outside the former Dunnes store, recently taken over by Dunelm, in Clyde Shopping Centre between 4.45pm and 5.30pm on October 5.
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The bike was black with silver writing on the crossbar. The helmet was secured through a chain and there was a bottle cage on the crossbars with Armadillo tyres.
Any witnesses are asked to contact police on 101.
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