“A lot of evidence virtually got trampled due to movement of VIPs, including the Chief Minister, large number of media personnel and curious onlookers.But still we could gather some material that could help us in the probe,” he said.
“It was a high-grade explosion but the quantity of explosive used was low as it was an improvised explosive device.There was no conclusion yet about the type of explosive used in the blasts. There are still many loose ends in the case which we are trying to tie up.
He said police is examining video footage recorded on closed-circuit cameras, installed at the Dilsukhnagar bus stand junction (Rajiv Chowk) and also at one of the bus shelters in the vicinity.
