The gruesome murder of senior journalist and activist Gauri Lankesh outside her house in Bengaluru, has resulted in outrage across the country. Editors and others have condemned the murder, also expressing concern over what they described as a growing intolerance to dissent. At the Press Club in New Delhi, journalists gathered on Wednesday to condemn the killing. NDTV's Ravish Kumar, said first we need to know who killed Ms Lankesh.