Counter-terrorism officials claim to have arrested a top leader of banned militant outfit Ansar al-Islam from Chittagong who is linked to the murder of blogger and writer Avijit Roy.

The murders of bloggers, intellectuals, priests, academicians, rights activists, and also persons of ordinary vocations committed by allegedly extremist groups...

Ansar al-Islam, a suspected militant group, claims the responsibility for the murder of secular activist Nazimuddin Samad, says SITE Intelligence Group.

Eight persons including State Minister for Foreign Affairs Shahriar Alam and Rajshahi University Vice Chancellor Prof Muhammad Mizanuddin received death threats in Rajshahi today.

Emboldened by the government's lack of action, the extremists will eventually expand their attacks on liberals, politicians, journalists, writers and anyone who disagrees with their views and approach.