Story highlights Al-Qaeda affiliate claims its members undertook the attacks

Blogger is the fifth to be killed in Bangladesh this year

Police said they have yet to identify any suspects

Dhaka, Bangladesh (CNN) Another secular blogger was hacked to death and three other people were severely wounded in two separate attacks in Bangladesh's capital on Saturday, Dhaka police said.

Publisher and secular blogger Faisal Arefin Dipan was killed in Shahbagh area while three others, also publishers and bloggers, were hacked and shot in Lalmatia area.

Muntasirul Islam, a deputy commissioner and spokesman of Dhaka Metropolitan Police told journalists that unidentified assailants were involved in the attacks.

Al-Qaeda in the Indian Subcontinent, or AQIS, claimed responsibility for the assaults, saying Dipan and the others made derogatory remarks about the Muslim faith.

Writer Ranadipam Basuis was one of three people who were severely wounded in two separate attacks against secular writers and publishers.

The attackers struck inside publishing houses where the men worked, the spokesman said.

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