
Chandigarh: The National Investigation Agency (NIA) on Wednesday conducted searches at 16 locations across Punjab, Uttar Pradesh and Uttarakhand in connection with the last year's Chandigarh grenade blast case linking Inter-Services Intelligence (ISI)-backed Pakistan-based terrorist Harwinder Singh of Babbar Khalsa International (BKI) and US-based Harpreet Singh.
The raids include 14 locations in Punjab, along with one each in Uttar Pradesh and Uttarakhand.