mark lobel, bbc news.len and driven recklessly for �*hits' and �*likes' on social media. police have called it a "plague on society". cleveland police alone have received nearly 6000 complaints about the problem in the past year. we can speak to tony campbell, ceo of the motorcycle industry association. welcome to the programme. tell us a bit more about what is actually going on here. is it principally a problem with stolen vehicles or other sorts of vehicles? i problem with stolen vehicles or other sorts of vehicles?- other sorts of vehicles? i think it's a combination _ other sorts of vehicles? i think it's a combination of _ other sorts of vehicles? i think it's a combination of both. - it's a combination of both. certainly an element of the bikes being used for this sort of behaviour are stolen, but we are also seeing youngsters are buying high—powered, what looked like electric mountain bikes, but electric mountain bikes, but electric motorcycles are quads, as you mentioned, there are the owners of th