OUR STAFF REPORTER SIALKOT - Some unknown persons have defaced all the main hoarding boards containing the pictures of the female models by throwing black inks on them in almost all the urban areas of the district. Reportedly, the unknown persons defaced the above mentioned giant hoarding boards displayed by the advertising companies on all the main roads including Paris Road, Khawaja Safdar Road, Railway Road, Rangpura Road, Shahabpura-Hajipura Road, Abbott Road, Defence Road and Allama Iqbal Chowk, Sialkot Cantt Chowk and in posh areas of Sialkot, Daska, Sambrial, Uggoki, Pasrur, Chawinda, Badiana and their surrounding areas. The advertising agencies and the owners of these defaced boards have expressed grave concern over this practice, as they have been suffering from great financial loss. They have urged the government to probe into the matter.