Shipley police have issued a stern warning to rogue youths "terrorising" the district on motorbikes - all bikes will be seized.
One bike stolen from Keighley has already been seized this morning in the crack down.
PC Preston is appealing for anyone who knows where the bikes are hidden to direct message West Yorkshire Police's Shipley page.
Stressed residents have spotted bikes driving on the wrong side of the road, not stopping at red lights, not wearing helmets and racing in the streets.
One witness said the bikers are "terrorising dog walkers and horse riders".
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