The hartal called by the Popular Front of India (PFI), in protest against the raid and arrest of their leaders by National Investigation agency and Enforcement Directorate, turned violent in Kannur after protestors allegedly hurled petrol bomb at the Rashtriya Swayamsevak Sangh office and pelted stones on buses injuring people in few places in the district on Friday.
The petrol bomb hurled at the RSS office at Illanmoola in Mattanur damaged the windows of the building.
A police team reached the spot and began an investigation; security has been upped in the area.
