pub landlord paul harris was arrested by police investigating the disappearance and suspected murder of chef claudia lawrence .
police said the 47-year-old man had been released from his bail conditions after he provided information to detectives which has progressed the investigation .
detectives have carried out a number of searches , including a detailed re-examination of miss lawrence 's home , in heworth , york , and a fingertip search of an alleyway that leads .