Police in Lancaster, N.H., are warning people of a likely paving scam in the area. Police are advising homeowners to be leery of anyone approaching them offering paving work at a reduced price. They have been telling homeowners they have asphalt left over from a previous job and would be willing to pave their driveway at a reduced price. Police say the company does the work and instead charges a much higher rate. They also request payment immediately.