Dhaka, Jan. 22 -- A Dhaka court has granted police six days to interrogate Faisal Rubel Ahmed, a close associate of Faisal Karim Masud -- the prime suspect in the murder of Inqilab Moncho leader Sharif Osman bin Hadi.

Dhaka Additional Chief Metropolitan Magistrate Jashita Islam passed the order on Thursday, confirmed Sub-Inspector Rokonuzzaman.

Rubel, 33, was arrested on Wednesday night in Ati Noyabazar in South Keraniganj, in a joint operation by the Criminal Investigation Department and Detective Branch, according to police.

CID Assistant Police Superintendent Abdul Qadir Bhuiyan had sought to question Rubel in police custody for 10 days.

Rubel defended himself at the hearing, as he was not represented by a lawyer.

He claimed innoc...