Gujranwala - Public Wednesday thrashed a drunken cop for teasing college girls, according to sources. Policeman, identified as Ahmad Hassan, was drunk and teasing college girls in Imran Colony of Gujranwala, the sources said, adding that the cop started firing and hurling threats when some citizens barred him from doing so. However, more people reached the site and overpower him. They handed over to their colleagues after thrashing him.  On the other hand, some residents said that the cop was extorting public. However, his colleagues said he visited the area for an official work.