A journalist of a Russian Islamic newspaper, As-Salam, was killed on Sunday evening in Russia's North Caucasus republic of Dagestan, a spokesman for the local investigation department said on Monday, RIA Novosti reported.
"On Sunday evening we were informed that an employee of the As-Salam newspaper, Yakhya Magomedov, was killed," the source said. "Investigators are currently working at the scene to try and establish all circumstances surrounding his death."
Situation remained tense in the North Caucasus republic over the weekend, where a total of eight militants were killed in a large-scale security operation on Sunday.
"According to most recent reports, eight militants of the so-called Kizlyar terrorist group were killed," another investigation department source said.
It was earlier reported that seven militants were killed during the special operation in woodland. One soldier was killed and three riot police officers were injured during the operation.
Law-enforcers also seized weapons and ammunition on the site and destroyed three militant dugouts by blowing them up.
In a separate incident, a police officer was shot dead in Dagestan's capital of Makhachkala.
The officer, who was off duty, was shot dead in the yard of his house at about 23:00 Moscow time [19:00 GMT] on Sunday.