New Delhi [India], August 12 (ANI): Security has been stepped up across the national capital ahead of Independence Day, with Delhi Police intensifying patrolling, vehicle checks and surveillance to prevent any unlikely incident during the August 15 celebrations. Officers said the focus is on identifying suspicious persons and vehicles, keeping a close watch on criminal elements and ensuring heightened security with Independence Day in sight. Joint Commissioner of Police, Southern Range, Vijay Kumar said more than 1,600 police personnel, including women personnel, had been deployed in the southern zone. In East Delhi, DCP Rajeev Kumar said all officers and personnel were on the streets as part of the Independence Day security preparations. The intensified security comes as Delhi prepares for Independence Day celebrations, when several parts of the capital witness increased movement of people, vehicles and security personnel.