Forensic analysis of explosives that led to the November 10 blast outside the Red Fort has confirmed the use of a mixture of ammonium nitrate and triacetone triperoxide (TATP), highly potent chemicals whose sale and handling are heavily regulated, The Indian Express has learnt.

According to the initial findings of the forensic science laboratory, at least 30-40 kg of ammonium nitrate was present in the car, which only could have led to an explosion of such a magnitude.

The findings are crucial, as investigators are examining a possible link between the Delhi blast and the Faridabad terror module, as part of which 358 kg of ammonium nitrate and other bomb-making materials have been seized.

Ammonium nitrate, commonly used as agricultural manure, is legally sold only through registered v

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