Three siblings were detained with bomb-making materials and Jihadi books from the town’s Shankarpur area on Saturday afternoon. The detainees are—Rabiul Islam, son of Abdul Jabbar, hailing from Khulna district, and his sisters Maisha Bilkis and Nusrat Parveen. Officer-in-charge (Investigation) of Kotwali Police Station Abul Basha said: “Acting on a tip-off, a team of police raided the house of one Taiebur Rahman and picked the siblings up with the Jihadi books and Bomb-making materials around 5:30pm.”