New Delhi, Dec. 13 -- Lok Sabha Speaker Om Birla has called a meeting of floor leaders of different political parties on Wednesday to address the concerns of all parties over the Parliament security breach incident.

The meeting has been called at 4 pm today.

The Speaker said that a thorough investigation is underway regarding the security lapse in the House.

"A thorough investigation of the incident that took place during zero hour, is being done. Essential instructions have also been given to Delhi Police. In the primary investigation, it has been found that that there is no need to worry about the smoke," he said."Both of them have been nabbed and the materials with them have also been seized. The two people outside the Parliament ha...