Chennai, May 3 -- As votes for the Tamil Nadu assembly elections will be counted on Monday, the Election Commission (EC) said on Saturday that a three-tier security system will be in place at counting centres, with around 100,000 security personnel deployed for election security duties. In Chennai alone, police said nearly 20,000 security staff have been deployed.

Chief electoral officer (CEO) Archana Patnaik, said that the first tier security perimeter extending 100 metres around each counting centre has been established. "Entry within this zone will be strictly restricted to authorised personnel. Adequate police personnel will be deployed at entry points," she added.

The second tier, comprising the entry gates of the counting premises...