Police sought an 80-day remand for BNP chairperson’s adviser and journalists’ union leader Shawkat Mahmud in eight cases of violence filed with Paltan and Motijheel police stations.Investigation officers (IOs) of the cases on Sunday filed separate petitions with the court of Dhaka Metro politan Magistrate Shahriar Mahmud Adnan seeking a 10-day remand in each case after showing him arrested in the cases, general recording officer (GRO) of the CMM court Aminur Rahman said. The court fixed Monday for hearing the remand petitions, he said.The cases-five with Paltan Police Station and three with Motijheel Police Station-were filed against Shawkat Mahmud on charge of vandalising and torching vehicles in January this year during hartal and blockade programmes enforced by the BNP-led 20-party alliance.Earlier, on Saturday, a court sent Shawkat Mahmud to jail on the expiry of his three-day remand in an arson case filed with the city’s Ramna Police Station. On August 19, the court placed Shawkat Mahmud on a three-day remand after his arrest from in front of Samurai Convention Centre in the city’s Panthapath area on August 18.