A bomb detonated on Thursday in the capital of the Russian North Caucasus republic of Dagestan, иге no one was injured, police said.
"An explosive device detonated on a road a police vehicle was driving along," a police spokesman said.
A source in the Dagestani Interior Ministry said the device had been placed into a garbage can on a roadside.
Russia's mainly Muslim North Caucasus republics, especially Chechnya, Dagestan and Ingushetia, have seen an upsurge of militant violence lately, with frequent attacks on police and officials.
Russian President Dmitry Medvedev on Wednesday ordered the Federal Security Service to tighten security in the North Caucasus following a suicide bomb attack in Dagestan that killed five people and wounded up to 19.
A suicide bomber drove a car into a traffic police depot in Dagestan's capital, Makhachkala, early on Wednesday but was blocked by a police vehicle before exploding.
MAKHACHKALA, January 8 (RIA Novosti)
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