Over 7,000 lottery tickets were seized by the police in separate incidents at Kattur near Tiruverambur in the city's outskirts and Thuraiyur in the district on Thursday.
Three persons – M. Babu Raj (58), D. Subramanian (42) and K. Saravanan (45) were arrested on the charge of illegally possessing and selling banned other State lottery tickets, police sources said. Cases have been registered in this connection at Tiruverambur and Thuraiyur Police Stations.