According to sources, the NIA team has questioned the house owner as part of the ongoing investigation. The team will also interrogate Shahnawaz Malik and others who sustained grievous injuries, once they recover. Besides, the NIA team has also visited the blast site to gather intelligence as part of their preliminary investigation. “After the preliminary investigation, it was revealed that they were preparing the bomb to undertake some criminal activity. The injured persons were rushed to a local hospital, and a scientific team reached the post to conduct a thorough probe.