A team of National Investigation Agency (NIA) visited the blast site at Roorkee on Sunday as the police teams are engaging in an extensive combing operation to get the clue about identity of the persons responsible.
On the grounds of suspicion the district police rounded off 11 persons on Sunday. Contingents of local police, armed police and Rapid Action Force (RAF) also held a flag march in the town on Sunday.
A forward team of the NIA scanned the blast site on Sunday and initial investigation revealed that the blast was triggered from a low intensity device. An NIA team of forensic and ballistic experts would arrive here on Monday to investigate the case from all angles.
The Senior Superintendent of Police (SSP) Haridwar, Sweety Agarwal said that the police had sealed the blast site immediately after the blast and engaged in extensive combing operations on Sunday.
She said that the police have collected samples like splinters from the blast site and from the nearby houses. Agarwal informed that the device could have been locally assembled or transported from some other place.
She said that the police is ramifying its investigation and is focusing on tenants, suspicious elements and those who have access and capability to handle explosives. The police teams are also viewing the CCTV footage and keeping track on suspicious mobile conversations.
On Saturday, a 12-year-old boy Tushar Dhiman, died after a bomb exploded under Gangnahar Police Station area in Roorkee, around 50 metres away from DAV (PG) College, Roorkee.
It is worth mentioning here that Vishwa Hindu Parishad (VHP) was holding a meeting to mark the anniversary of Babri mosque demolition near the place where the incident occurred. The bomb exploded near a petrol pump in Nehru Nagar, the boy reportedly mistook the bomb with a ball as he was coming home from school in the company of his two friends.
The Additional Director General of Police (law and order) Ram Singh Meena and Garhwal Range DIG Sanjay Gunjyal are camping in Roorkee to monitor the investigation.