Unidentified men Friday allegedly hurled petrol bombs at the house of a local DMK functionary in Central Chennai parliamentary constituency damaging a car parked there, police said.
An FIR has been registered, police said, adding CCTV footage showed the suspects were wearing helmets and moving toward the house of the functionary.
"No casualties have been reported. Investigation is on," a police officer said.
A car parked in the house was damaged in the incident, police said.
He accused allies of AMMK leader TTV Dhinakaran of being behind the attack.
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