Turkish police detained the editor-in-chief of the opposition newspaper Cumhuriyet, state media reported Monday, while CNN Turk broadcaster said 13 arrest warrants were issued for the daily's journalists and executives.

Murat Sabuncu was detained while authorities were looking for executive board chairman Akin Atalay and writer Guray Oz, the official news agency Anadolu said. The daily said Oz was already detained but it was not known why police were seeking the daily's staff.