Pro-Khalistan slogans were spotted on the wall of the residence of a Sessions Court Judge in Punjab's Faridkot on Saturday. Faridkot SSP said a video of Sikhs for Justice activist Gurpatwant Singh Pannu, who was earlier booked after Khalistani flags were found at Himachal Pradesh Legislative Assembly, has come to light. Investigation in the matter is underway, the SSP added.