Overview

• CCTV shows the bag carried by 25-year-old Sachchidananda Mishra exploding around 1 a.m. outside Madhyamgram High School; he died after being moved to a Kolkata hospital.
• State police, the bomb squad and forensic teams collected samples, while NIA officials earlier visited the site and hospital as part of standard procedure.
• Investigators recovered torn bag pieces, wires, a mobile charger, electronic gadgets and clothes, and they are awaiting chemical analysis to establish the cause.
• Authorities are examining a possible personal motive after a reported dying confession about an affair, with the STF questioning the woman and her husband.
• Officials differ on the device’s nature, with some citing only gadgets found and others suspecting a low-intensity IED, and a case has been registered under the Explosive Substances Act.