A machete-wielding mob in Bangladesh hacked to death a American blogger and seriously injured his wife and fellow blogger, Rafida Ahmed, on Thursday, NBC News reported. The attack on Avijit Roy, a U.S. citizen of Bangladeshi origin, comes amidst a crackdown on hardline Islamist groups, which have increased activities in recent years in the country. Roy's family said Islamist radicals had been threatening him in recent weeks because he maintained a blog, "Mukto-mona," or "Freemind, that "condemned religious extremism. Police said they were investigating the involvement of Ansarullah Bangla Team, an Islamist extremist group based in Bangladesh that claimed responsibility on Friday for the murder.

Read More