Four CPI(M) activists were injured, one of them critically, in a clash between their party workers and BJP activists at Vannathimoola in Kannur on Sunday, police said.
The seriously injured person, who suffered deep cut wounds on his knees, was shifted to Manipal Hospital in Karnataka for treatment, while the other three were admitted to the cooperative hospital in Kannur, they said.
A search was on to nab the culprits, police said, adding a case has been registered under IPC 307 (attempt to murder).
In the run up to the May 16 assembly polls, rival party workers have clashed in various parts of the state.
On March 15, a Youth Congress worker was hacked to death allegedly by DYFI workers at Evoor in Alapuzha
BJP and CPI(M) workers had clashed in Thiruvananthapuram district on March 14, leaving at least 30 injured, including former Kerala BJP chief V Muraleedharan.
An RSS worker was hacked to death last month in Pappinesseri and a BJP worker escaped with serious injuries in Panur, both in Kannur district, after they were attacked allegedly by CPI(M) workers.
📣 The Indian Express is now on Telegram. Click here to join our channel (@indianexpress) and stay updated with the latest headlines