Revolutionary Marxist Party candidate and widow of party leader T P Chandrasekaran, K K Reema was attacked today allegedly by CPI(M) activists at Vadakara, about 45 km from here, police said.
The incident occurred around 1 PM while she was engaged in house-to-house campaigning, the police said.
Rema, contesting from Vatakara assembly constituency, and two other party workers, who suffered minor injuries in the attack, were discharged after treatment at Vadakara government hospital, they said.
A case has been registered against unspecified number of CPI(M) and DYFI workers, police said.