American atheist blogger of Bangladeshi origin, Avijit Roy, was Thursday hacked to death by unidentified assailants in Dhaka, police said. Avijit, founder of Mukto-Mona (Free-mind) blog site which champions liberal secular writing in the Muslim-majority nation, had received numerous threats from Islamists, claimed his family. He is the second Bangladeshi blogger to have been murdered in two years.