On December 13, 2001, five heavily-armed terrorists belonging to terror outfit Lashkar-e-Taiba (LeT) and Jaish-e-Mohammed (JeM), stormed the Parliament complex in New Delhi and opened fire indiscriminately.
In a tweet, the Prime Minister said: "We will never forget the cowardly attack on our Parliament on this day in 2001. We recall the valour and sacrifices of those who lost their lives while protecting our Parliament.