Early Sunday morning, unidentified persons reportedly hurled 'crude bombs' at houses of AIADMK functionaries at Kazhugumalai and Tuticorin, about 160 km from Madurai, police said.
The motorcycle of a Muthuraj, an AIADMK functionary, was destroyed when a petrol bomb was hurled at his house around 1 am on Sunday.
AIADMK workers in the area and residents staged a demonstration demanding arrest of the culprits.
In another incident at Rajagopal Nagar in Tuticorin, a petrol bomb was hurled at the house of AIADMK functionary Chinnadurai at around 2:30 am.
The shed in front of his house was destroyed and his two-wheeler was also destroyed, police said, adding, a two-wheeler of another functionary Pitchiah was also damaged.