Five armed terrorists attacked the Sansad Bhavan, the Indian Parliament building in New Delhi, initiating a violent confrontation with security officials. The scene unfolded as the parliament was in session, with lawmakers present in the building at the time. The assailants targeted the Parliament with grenades and automatic weapons, leading to a fierce gunfight with security personnel who responded swiftly to the crisis. Over the course of the attack, twelve individuals were killed, which included the five terrorists. Additionally, numerous people were injured in the assault, raising concerns about the safety of public institutions in India.

The government attributed the attack to Pakistan-based militant groups, amplifying existing tensions between the two nations that had been unresolved since the partition in 1947. Following the incident, security measures around critical infrastructures were drastically intensified, and political rhetoric escalated, further straining Indo-Pak relations. The aftermath led to widespread condemnation from international leaders, as well as calls for vigilance against terrorism.

In response to the attack, debate shifted towards the adequacy of India's security protocols and the need for reforms in counter-terrorism strategies. The attack on the Indian Parliament was a defining moment that underscored vulnerability to extreme violence in democratic institutions, and led to increased military cooperation between India and various world powers as they shared intelligence and resources to combat terrorism.