A female suicide bomber killed five cops by blowing herself up at a traffic police post in Dagestan.
The woman detonated her bomb late on Tuesday outside Karabudakhkent, 40 kilometers south of the provincial capital Makhachkala, RIA-Novosti reported, quoting local police.
"The female terrorist approached the [traffic police] enclosure and blew herself up," a police official said.
An unofficial Islamist website, Kavkazcenter.com, said up to 10 policemen had been killed in the attack and that it was carried out by a woman suicide bomber supported by insurgents who executed policemen wounded during the blast.
The rebels want to create an Islamic state ruled by sharia, or Muslim law, in the region, which is close to Sochi, where the Winter Olympics will be held in 2014.
The same insurgents said they carried out a suicide bombing at Moscow's Domodedovo Airport that killed 37 people in January 2011, and twin bombings that killed 40 people on Moscow's metro in 2010.
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