Chennai: Tamil Nadu police on Saturday continued with its tight security arrangements for the second day across the state following an intelligence alert that six Lashkar-e-Taiba (LeT) terrorists have entered the state, police said. The group is said to be comprised of one Pakistani national and five Sri Lankans, the police said. The police have beefed up security at places of worship, railway stations and other places where there is a large concentration of people. “We have increased our security alert. All the vehicles are being checked thoroughly. About 200 police personnel are working round the clock,” a senior police official in Nagapattinam district told. (IANS)