India, Nov. 17 -- As the probe into the Red Fort blast continues, investigators are now trying to trace the final moments of the alleged "suicide bomber", Dr Umar Un Nabi. On Sunday, the NIA referred to the driver of the Hyundai i20 car as a "suicide bomber" for the first time since the probe began.

Meanwhile, investigators are continuing their hunt for the last two mobile phones used by Nabi as part of their attempt to trace his digital footprint. During this probe, it was discovered that a total of five SIM cards have been linked to the alleged bomber.

2 phones, 5 SIM cards:As per officials and reported by HT, Dr Umar used two phones between October 30 and November 10. As of now, both of these phones are missing. While a total of five...