One person was killed and three people were wounded when a blast ripped through the offices of a magazine linked to a Turkish radical Islamist group in Istanbul, the Dogan news agency reported.
The cause of the yesterday's blast was not immediately clear but Dogan said that police suspected it was caused by a bomb after the possibility of a gas leak was ruled out.
The late evening blast happened on the third floor offices of the weekly "Adimlar" (Steps) which is closely linked to the Turkish Islamist group the Great Eastern Islamic Raiders' Front (IBDA-C), according to Turkish media.
Dogan named the victim as one of the magazine's writers, Unsal Zor. The injured have been hospitalised but were not said to be in any immediate danger.
Police have cordoned off the area in the Kagithane neighbourhood of Istanbul's Sisli district, it added.
Listed as a terrorist organisation by the United States and European Union, IBDA-C has claimed attacks in the last decade but has kept a relatively low profile in recent years.
The group promotes the idea of re-establishing the medieval Islamic caliphate by bringing together the Sunni Muslim states of the Middle East.
