Dhaka: A sedition case has been filed against BNP secretary general Mirza Fakhrul Islam Alamgir, senior joint secretary general Ruhul Kabir Rizvi and its standing committee member Amir Khasru Mahmud Chowdhury on Monday.

AB Siddique, president of Jananetri Parishad, a pro-Awami League organisation, filed the case with the court of Dhaka Metropolitan Magistrate H M Toaha.

After hearing, the court ordered Tejgaon thana police to investigate the allegation.

Earlier, a reported audio clip of telephonic conversation between BNP leader Amir Khasru Mahmud Chowdhury and an unknown boy over intensifying the ongoing student movement went viral on Facebook and YouTube on Saturday.