प्रत्यक्षदर्शियों के अनुसार, यहां अधिवाला गांव में ‘निरंकारियों' की एक धार्मिक सभा में मोटरसाइकिल पर आये लोगों ने ग्रेनेड फेंका.
The grenade was lobbed by bike-borne persons at a religious congregation of 'Nirankaris' which was being held at Adhiwala village in Amritsar, according to eyewitness accounts.