article_snippet.sent: Blogger Avijit Roy and Washiqur Rahman Babu wife, Rafida Ahmed Bonna, were attacked by assailants wielding sharp weapons while the couple was visiting Dhaka.
article_snippet.sent: Roy, a U.S. citizen of Bangladeshi origin, was killed and Washiqur Rahman Babu wife was critically injured.
article_snippet.sent: Roy, a U.S. citizen of Bangladeshi origin had written critically on Islamic matters.