NEW DELHI: Investigators said that the explosive used in the blast near the Red Fort may have been triacetone triperoxide (TATP), known infamously as the Mother of Satan. It is a type of explosive that explodes with heat without a detonator. Forensic experts are on the work to confirm whether it was the same explosion that occurred in Delhi.

Police had earlier suspected that ammonium nitrate may have been used in the blast. The investigation team concluded that Dr Umar Mohammed, who was driving the car, was aware of the explosive potential of TATP.

TATP is considered by experts to be a highly reactive explosive. Any change in the physical environment, such as friction, pressure, or an increase in temperature, can cause an explosion. Unlike ammonium nitrate, which is chemically and therma

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