Turkish police detained late on Sunday a right-wing politician in connection with the murder of high-profile Turkish-Armenian journalist Hrant Dink.

The police detained Yasar Cihan, head of the local branch of the conservative and nationalist Great Unity party in the Black Sea port city of Trabzon, private NTV television reported.

According to NTV, police were still looking for another leading member of Great Unity, Halis Egemen.

Hrant Dink, 53, was shot dead in broad daylight outside his Istanbul offices on January 20.

Dink, who stirred up anger in nationalists for his comments over mass killings of Armenians by Turks during the First World War, is reported to have been shot three times in the neck.

The attack raised tensions in a country where politicians have been courting the nationalist vote ahead of May's presidential elections.

Ogun Samast, a 17-year-old suspect, was arrested after he was identified by his father from CCTV images taken near the scene of Friday's killing in Istanbul.

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