Kolkata, August 27: Police on Tuesday lathi-charged, used water cannons and tear gas to disperse agitators at Howrah Bridge's Kolkata end and near Santragachhi Railway station on Kona Expressway as protestors attempted to break through police barricades in an effort to reach the state secretariat, Nabanna.

At Santragachhi, agitators threw bricks at police, injuring several officers, while protestors claimed that police action also injured several students. The protestors were attempting to reach the state secretariat to demand the removal of West Bengal Chief Minister Mamata Banerjee over the rape-murder of a doctor at RG Kar Medical College. Nabanna Abhijan Protest: West Bengal Police Dismiss ‘4 Students Missing’ Claim by Suvendu Adhikari, Say They Have Been Arrested for ‘Planning To Orchestrate Large-Scale Violence’.

Protesters and Police Clash at Howrah Bridge

Protesters Try To Breakthrough Police Barricades

Police said they began lathicharging and tear gassing after the agitators managed to breach the barricades at some locations and attacked the security personnel. Trouble escalated when the student organisation, 'Paschim Banga Chhatra Samaj', and the dissident state government employees' platform 'Sangrami Joutha Mancha' began their 'Nabanna Abhijan' rally from various points.