Delhi blast: Bomber had lab at home to test explosives; used techniques shared by Pak handlers

Dr. Umer Un Nabi, the alleged bomber behind the Red Fort blast, operated a home laboratory in Faridabad to test explosives and build Improvised Explosive Devices (IEDs). He received bomb-making instructions and radicalization videos from Pakistani handlers via Telegram. Investigations revealed large caches of explosives at separate locations.

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