Anti-government demonstrators on Sunday attacked the office of Pakistan’s leading TV channel Geo News here with stones, damaging the building. As protesters of Pakistan Tehreek-e-Insaf (PTI) and Pakistan Awami Tehreek (PAT) were marching towards the Prime Minister House, a crowd of angry demonstrators gathered outside the office of Geo News and attacked it with stones in the wee hours.The staff struggled to find a safe passage and managed to escape from the scene, the Geo News reported.