India, Nov. 12 -- Delhi is in a state of shock. Just when the people thought that Delhi was safe from explosions, a powerful blast near the Red Fort shattered that sense of security. Whether it was a terror attack or a technical glitch that caused the CNG tank in the car to explode, the effect was horrendous. In either case, complacency in governance cannot be ruled out.

For Delhi, it was a heartbreakingly familiar scene - one that revived the discomforting memories of past terror attacks that once shook the national capital. Preliminary reports suggest the blast originated from within the car, though at this point it is not clear what exactly caused the explosion - a bomb or a cylinder blast. Whether it was a mechanical failure, an accide...