NOB- Tirupati news: In the wake of leopard movement, TTD officials have taken strict security measures in Tirupati and Tirumala. Vigilance staff have intensified patrolling. Devotees going on the walking trail from Alipiri to Tirumala are being allowed as usual from 5 am to 2 pm. Later, they are being released in groups. Vigilance staff are monitoring that there are 70 to 100 people in each group. Children below the age of 12 are not allowed from noon. The Alipiri walking trail is being closed after 9.30 pm.