Security agencies probing the Ludhiana blast suspect that it could have been executed by groups like the Babbar Khalsa International, that is alleged to have close links with Pakistan’s ISI. Islamic terror groups could also have been working in tandem.
The role of HuJI Bangladesh, whose commander Shahid Bilal is allegedly based in Pakistan, has also come up in connection with three recent terror strikes —- the Mecca Masjid attack, the Hyderabad twin blasts and the explosion at Khwaja Moinuddin Chishti’s shrine in Ajmer.