Two people were killed and three others injured in an explosion while they were allegedly making bombs at Fatapara in Sadar upazila of Chapainawabganj district early Saturday.

Additional Superintendent of Police (ASP) NM Wasim Firoz said police have preliminarily identified the two victims as Al Amin, 18, son of Moazzem of Dhamar Mor area in Ranihati union under Chapainawabganj Sadar upazila, and Jihad, 17, son of Munirul Islam of Kuthnipara area in Shibganj upazila.

“The identification will be finalised later through fingerprint verification,” he added.

The bodies were sent to the morgue of Chapainawabganj District Hospital for autopsy.

The explosion occurred around 5am at the house of a man named Kalam in Fatapara while a group of people were allegedly making bombs, leaving two dead on the spot and three others injured, said Officer-in-Charge of Chapainawabganj Sadar Police Station, Nur-e-Alam.

The injured — Bazlur Rahman, 20, Minhaz, 22, and Shubho, 22 — were first taken to Chapainawabganj Sadar Hospital and later shifted to Rajshahi Medical College Hospital.

The condition of two of the injured was stated to be critical, said ASP Wasim Firoz.

A portion of the house was damaged in the blast, and the tin roof was blown off.

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However, no one was arrested in this connection as the house owner, along with his family, managed to flee the scene, the OC said.

He added that a bomb disposal unit of the Rapid Action Battalion and a crime scene team of the Criminal Investigation Department arrived from Rajshahi in the afternoon and conducted a search operation at the site. One unexploded cocktail bomb was recovered during the drive.