Police arrest Islamic extremist over machete murder of US blogger

An Islamic extremist has been arrested after an American blogger was hacked to death with a machete in the middle of the street.

Avijit Roy was on his way back from a university book fair in Bangladesh when he was targeted on Thursday by at least two men over his opposition to religious extremism.

They sliced his head with the long blades before turning on his wife, Rafida Ahmed, and cutting her finger off when she tried to save him.

Police in the country's capital Dhaka paraded their suspect, fundamentalist blogger Farabi Shafiur Rahman, before the media earlier today.

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