Raising slogans against Andhra Pradesh police, the cadres demanded action against police officials "who took law into their own hands by opening fire on Tamil Nadu labourers."
Action like arrest and prosecution could be launched in accordance with law and gullible labourers cannot be eliminated by using the bogey of self-defence, they said.
Protesters demonstrated in front of establishments with an Andhra Pradesh link like the Andhra Club.
Also, protests were held in front of Andhra Pradesh State Road Transport Corporation buses at Koyambedu here and Kancheepuram.
Some party activists were taken into custody for trying to picket the Andhra Bank.
Political parties in Tamil Nadu like the DMK, BJP, PMK, had earlier condemned the "brutal" police action in which they claimed 12 victims were labourers from their state.
