How many people died? All 246 passengers and crew aboard the four planes were killed. At the Twin Towers, 2,606 people died - then or later of injuries. At the Pentagon, 125 people were killed.

The list of terrorist groups active in various states shows Jammu and Kashmir has five such organisations, including Lashkar-e-Taiba, Hizbul-Mujahideen, Jaish-e-Mohammad, Harkat-e-Mujahideen.