India, Nov. 13 -- The National Investigation Agency (NIA) on Thursday detained a fertilizer and seed shop owner from Pinangwan in Nuh district for allegedly supplying ammonium nitrate, a key ingredient used in the Delhi blast near Red Fort on November 10.

The suspect has been identified as Dinesh Kumar, also known locally as 'Dabbu Singla', a long-time resident of Pinangwan. Officials said he was detained early Thursday morning following intelligence inputs that linked his shop to the purchase of around 300 kilograms of ammonium nitrate, believed to have been used in the explosive preparation by the module led by Dr Umar Un Nabi.

According to investigators, the suspect had been running his fertilizer business for nearly two decades and ...