There has been growing international concern after a wave of brutal killings targeting secular bloggers, professors, foreigners and religious minorities.
Recently the country's most high-profile gay activist Xulhaz Mannan was hacked to death inside his home. Islamic militants linked to al-Qaeda and so-called Islamic State are said to be behind the violence.
The BBC's Sanjoy Majumder reports from Dhaka. [BBC] Read more
