The DGP, who has been monitoring the situation as well as the probe, said that in all likelihood, the unmanned aerial vehicles have flown in from across the border and returned after the operation.
'India has to ensure its borders are properly sealed and there is no infiltration from PoK.
At least 16 people were killed and over 30 injured in bomb attacks and violence in restive Balochistan while three soldiers died in north Waziristan region, when Taliban terrorists struck at a Pakistan Independence Day parade.
Wali, who returned from Sri Lanka a week ago, alleged that the attack was carried out by RAW to begin a proxy war in a third country.
In what is the first time Pakistan-based terrorists have used drones to strike vital installations, two bombs were dropped at the Indian Air Force station in Jammu airport in the early hours of Sunday, officials said.
The Tehrik-e-Taliban Pakistan has claimed responsibility for two suicide bombings targeting Shia processions in Karachi and Lahore that claimed 16 lives on Tuesday.Taliban spokesman Azam Tariq told reporters in the lawless North Waziristan tribal region on Wednesday that the two attacks on Tuesday were aimed against security personnel because "they serve the United States's interests".
'The fact that this happened and the fact that we were not able to bring it down, we were not even able to trace from where it came from and where it went, certainly raises questions on our level of preparedness.'
Seven people were killed and 12 others injured on Thursday when two suicide bombers blew themselves up near a security check post close to the south-western Pakistani city of Quetta.
Qari Yasir was involved in last year's Pulwama attack in which 40 CRPF personnel died, police and army officers said.
Specialists from the counter-terror drone wing of the NSG also demonstrated the functioning of its counter-UAS mechanism at the technical area of the IAF station, sources said.
Police said the the casualties included soldiers and civilians, and that no one has yet claimed responsibility for the attack.
Pakistan on Thursday rejected the involvement of its government or any of its official agencies in incidents like the 1993 Mumbai bomb attacks, saying it was committed to engaging India in a "sustained and result-oriented dialogue".
