GROZNY, October 21 (RIA Novosti) - Four police officers and one civilian were wounded in a suicide bombing in the capital of Chechnya, the interior minister of the Russian North Caucasus republic said Wednesday.

"Four policemen were wounded. A passerby was also injured," Ruslan Alkhanov said, adding that the terrorist had blown himself up after being detained by police.

Alkhanov also said the terrorist's identity had been established.

Russia's North Caucasus republics, in particular Chechnya, Dagestan and Ingushetia, have seen an upsurge of militant violence this year, with frequent attacks on police and officials.