The young man who stabbed author, academic Prof Zafar Iqbal on Saturday afternoon has been identified by the police.
He is Faizul, a resident of Sylhet city's Shahartali area in Sheikhpara, which is close to the Shahjalal University campus.
His father is a madrasa teacher from Dhirai, Sunamganj, said Jalalabad police Officer-in-Charge Shafiqul Islam on Saturday night.
Faizul is a hawker. He was a madrasa student, the OC said.
He stabbed Prof Zafar Iqbal at the stage of an event at the Shahjalal University on Saturday afternoon. His motives for the attack remain unclear.
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A police counter-terrorism team was dispatched from Dhaka to take him into custody.