
Avijit Roy, a prominent Bangladeshi-American blogger known for speaking out against religious extremism was hacked to death as he walked through Bangladesh's capital with his wife. (Source: AP photo)

Bangladeshi social activists shout slogans as they participate in a torch rally held to protest against the killing of Avijit Roy, in Dhaka, Bangladesh. (Source: AP photo)

Bangladeshi students and social activists protest against the killing of Avijit Roy, in Dhaka, Bangladesh. (Source: AP photo)

A Bangladeshi child holds a torch as he participates in a protest against the killing of Avijit Roy, in Dhaka, Bangladesh. (Source: AP photo)

Flowers lie at the site where Avijit Roy was attacked and killed, in Dhaka, Bangladesh. (Source: AP photo)

A Bangladeshi social activist puts up a black ribbon on his dress as a protest against killing of Avijit Roy, in Dhaka, Bangladesh. (Source: AP photo)

Rafida Ahmed, wife of a prominent Bangladeshi-American blogger, Avijit Raoy is being rushed to hospital on a stretcher after she was seriously injured by unidentified attackers, in Dhaka, Bangladesh. (Source: AP photo)

In this Thursday photo Bangladeshi policemen investigate at the site of attack on Avijit Roy, in Dhaka, Bangladesh. (Source: AP photo)